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source: palm/trunk/SOURCE/prognostic_equations.f90 @ 2865

Last change on this file since 2865 was 2815, checked in by kanani, 7 years ago
Enable restarts and vector optimization for chemistry model
Property svn:keywords set to `Id`
File size: 94.3 KB

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[1873]	1	!> @file prognostic_equations.f90
[2000]	2	!------------------------------------------------------------------------------!
[2696]	3	! This file is part of the PALM model system.
[1875]	4	!
[2000]	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.
[1875]	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	!
[2718]	17	! Copyright 1997-2018 Leibniz Universitaet Hannover
[2000]	18	!------------------------------------------------------------------------------!
[1875]	19	!
	20	! Current revisions:
	21	! ------------------
[2156]	22	!
[2233]	23	!
[1875]	24	! Former revisions:
	25	! -----------------
	26	! $Id: prognostic_equations.f90 2815 2018-02-19 11:29:57Z kanani $
[2815]	27	! Rename chem_tendency to chem_prognostic_equations,
	28	! implement vector version for air chemistry
	29	!
	30	! 2766 2018-01-22 17:17:47Z kanani
[2766]	31	! Removed preprocessor directive __chem
	32	!
	33	! 2746 2018-01-15 12:06:04Z suehring
[2746]	34	! Move flag plant canopy to modules
	35	!
	36	! 2719 2018-01-02 09:02:06Z maronga
[2719]	37	! Bugfix for last change.
	38	!
	39	! 2718 2018-01-02 08:49:38Z maronga
[2716]	40	! Corrected "Former revisions" section
	41	!
	42	! 2696 2017-12-14 17:12:51Z kanani
	43	! - Change in file header (GPL part)
[2696]	44	! - Moved TKE equation to tcm_prognostic (TG)
	45	! - Added switch for chemical reactions (RF, FK)
	46	! - Implementation of chemistry module (RF, BK, FK)
	47	!
	48	! 2563 2017-10-19 15:36:10Z Giersch
[2563]	49	! Variable wind_turbine moved to module control_parameters
	50	!
	51	! 2320 2017-07-21 12:47:43Z suehring
[2320]	52	! Modularize large-scale forcing and nudging
	53	!
	54	! 2292 2017-06-20 09:51:42Z schwenkel
[2292]	55	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
	56	! includes two more prognostic equations for cloud drop concentration (nc)
	57	! and cloud water content (qc).
	58	!
	59	! 2261 2017-06-08 14:25:57Z raasch
[2261]	60	! bugfix for r2232: openmp directives removed
	61	!
	62	! 2233 2017-05-30 18:08:54Z suehring
[1875]	63	!
[2233]	64	! 2232 2017-05-30 17:47:52Z suehring
	65	! Adjutst to new surface-type structure. Remove call for usm_wall_heat_flux,
	66	! which is realized directly in diffusion_s now.
	67	!
[2193]	68	! 2192 2017-03-22 04:14:10Z raasch
	69	! Bugfix for misplaced and missing openMP directives from r2155
	70	!
[2156]	71	! 2155 2017-02-21 09:57:40Z hoffmann
	72	! Bugfix in the calculation of microphysical quantities on ghost points.
	73	!
[2119]	74	! 2118 2017-01-17 16:38:49Z raasch
	75	! OpenACC version of subroutine removed
[2155]	76	!
[2032]	77	! 2031 2016-10-21 15:11:58Z knoop
	78	! renamed variable rho to rho_ocean
[2155]	79	!
[2012]	80	! 2011 2016-09-19 17:29:57Z kanani
	81	! Flag urban_surface is now defined in module control_parameters.
[2155]	82	!
[2008]	83	! 2007 2016-08-24 15:47:17Z kanani
	84	! Added pt tendency calculation based on energy balance at urban surfaces
	85	! (new urban surface model)
[2155]	86	!
[2001]	87	! 2000 2016-08-20 18:09:15Z knoop
	88	! Forced header and separation lines into 80 columns
[2155]	89	!
[1977]	90	! 1976 2016-07-27 13:28:04Z maronga
	91	! Simplied calls to radiation model
[2155]	92	!
[1961]	93	! 1960 2016-07-12 16:34:24Z suehring
	94	! Separate humidity and passive scalar
[2155]	95	!
[1917]	96	! 1914 2016-05-26 14:44:07Z witha
	97	! Added calls for wind turbine model
	98	!
[1874]	99	! 1873 2016-04-18 14:50:06Z maronga
	100	! Module renamed (removed _mod)
[2155]	101	!
[1851]	102	! 1850 2016-04-08 13:29:27Z maronga
	103	! Module renamed
[2155]	104	!
[1827]	105	! 1826 2016-04-07 12:01:39Z maronga
[1875]	106	! Renamed canopy model calls.
[2155]	107	!
[1875]	108	! 1822 2016-04-07 07:49:42Z hoffmann
	109	! Kessler microphysics scheme moved to microphysics.
	110	!
	111	! 1757 2016-02-22 15:49:32Z maronga
[2155]	112	!
[1875]	113	! 1691 2015-10-26 16:17:44Z maronga
	114	! Added optional model spin-up without radiation / land surface model calls.
	115	! Formatting corrections.
[2155]	116	!
[1875]	117	! 1682 2015-10-07 23:56:08Z knoop
[2155]	118	! Code annotations made doxygen readable
	119	!
[1875]	120	! 1585 2015-04-30 07:05:52Z maronga
	121	! Added call for temperature tendency calculation due to radiative flux divergence
[2155]	122	!
[1875]	123	! 1517 2015-01-07 19:12:25Z hoffmann
	124	! advec_s_bc_mod addded, since advec_s_bc is now a module
	125	!
	126	! 1496 2014-12-02 17:25:50Z maronga
	127	! Renamed "radiation" -> "cloud_top_radiation"
[2155]	128	!
[1875]	129	! 1484 2014-10-21 10:53:05Z kanani
	130	! Changes due to new module structure of the plant canopy model:
[2696]	131	! parameters cthf and plant_canopy moved to module plant_canopy_model_mod.
[1875]	132	! Removed double-listing of use_upstream_for_tke in ONLY-list of module
	133	! control_parameters
[2155]	134	!
[1875]	135	! 1409 2014-05-23 12:11:32Z suehring
[2155]	136	! Bugfix: i_omp_start changed for advec_u_ws at left inflow and outflow boundary.
[1875]	137	! This ensures that left-hand side fluxes are also calculated for nxl in that
[2155]	138	! case, even though the solution at nxl is overwritten in boundary_conds()
	139	!
[1875]	140	! 1398 2014-05-07 11:15:00Z heinze
	141	! Rayleigh-damping for horizontal velocity components changed: instead of damping
[2155]	142	! against ug and vg, damping against u_init and v_init is used to allow for a
[1875]	143	! homogenized treatment in case of nudging
[2155]	144	!
[1875]	145	! 1380 2014-04-28 12:40:45Z heinze
[2155]	146	! Change order of calls for scalar prognostic quantities:
	147	! ls_advec -> nudging -> subsidence since initial profiles
	148	!
[1875]	149	! 1374 2014-04-25 12:55:07Z raasch
	150	! missing variables added to ONLY lists
[2155]	151	!
[1875]	152	! 1365 2014-04-22 15:03:56Z boeske
[2155]	153	! Calls of ls_advec for large scale advection added,
[1875]	154	! subroutine subsidence is only called if use_subsidence_tendencies = .F.,
	155	! new argument ls_index added to the calls of subsidence
	156	! +ls_index
[2155]	157	!
[1875]	158	! 1361 2014-04-16 15:17:48Z hoffmann
	159	! Two-moment microphysics moved to the start of prognostic equations. This makes
	160	! the 3d arrays for tend_q, tend_qr, tend_pt and tend_pt redundant.
	161	! Additionally, it is allowed to call the microphysics just once during the time
	162	! step (not at each sub-time step).
	163	!
	164	! Two-moment cloud physics added for vector and accelerator optimization.
[2155]	165	!
[1875]	166	! 1353 2014-04-08 15:21:23Z heinze
	167	! REAL constants provided with KIND-attribute
[2155]	168	!
[1875]	169	! 1337 2014-03-25 15:11:48Z heinze
	170	! Bugfix: REAL constants provided with KIND-attribute
[2155]	171	!
[1875]	172	! 1332 2014-03-25 11:59:43Z suehring
[2155]	173	! Bugfix: call advec_ws or advec_pw for TKE only if NOT use_upstream_for_tke
	174	!
[1875]	175	! 1330 2014-03-24 17:29:32Z suehring
[2155]	176	! In case of SGS-particle velocity advection of TKE is also allowed with
[1875]	177	! dissipative 5th-order scheme.
	178	!
	179	! 1320 2014-03-20 08:40:49Z raasch
	180	! ONLY-attribute added to USE-statements,
	181	! kind-parameters added to all INTEGER and REAL declaration statements,
	182	! kinds are defined in new module kinds,
	183	! old module precision_kind is removed,
	184	! revision history before 2012 removed,
	185	! comment fields (!:) to be used for variable explanations added to
	186	! all variable declaration statements
	187	!
	188	! 1318 2014-03-17 13:35:16Z raasch
	189	! module interfaces removed
	190	!
	191	! 1257 2013-11-08 15:18:40Z raasch
	192	! openacc loop vector clauses removed, independent clauses added
	193	!
	194	! 1246 2013-11-01 08:59:45Z heinze
	195	! enable nudging also for accelerator version
	196	!
	197	! 1241 2013-10-30 11:36:58Z heinze
	198	! usage of nudging enabled (so far not implemented for accelerator version)
	199	!
	200	! 1179 2013-06-14 05:57:58Z raasch
	201	! two arguments removed from routine buoyancy, ref_state updated on device
	202	!
	203	! 1128 2013-04-12 06:19:32Z raasch
	204	! those parts requiring global communication moved to time_integration,
	205	! loop index bounds in accelerator version replaced by i_left, i_right, j_south,
	206	! j_north
	207	!
	208	! 1115 2013-03-26 18:16:16Z hoffmann
[2155]	209	! optimized cloud physics: calculation of microphysical tendencies transfered
[1875]	210	! to microphysics.f90; qr and nr are only calculated if precipitation is required
	211	!
	212	! 1111 2013-03-08 23:54:10Z raasch
	213	! update directives for prognostic quantities removed
	214	!
	215	! 1106 2013-03-04 05:31:38Z raasch
	216	! small changes in code formatting
	217	!
	218	! 1092 2013-02-02 11:24:22Z raasch
	219	! unused variables removed
	220	!
	221	! 1053 2012-11-13 17:11:03Z hoffmann
	222	! implementation of two new prognostic equations for rain drop concentration (nr)
	223	! and rain water content (qr)
	224	!
	225	! currently, only available for cache loop optimization
	226	!
	227	! 1036 2012-10-22 13:43:42Z raasch
	228	! code put under GPL (PALM 3.9)
	229	!
	230	! 1019 2012-09-28 06:46:45Z raasch
	231	! non-optimized version of prognostic_equations removed
	232	!
	233	! 1015 2012-09-27 09:23:24Z raasch
	234	! new branch prognostic_equations_acc
	235	! OpenACC statements added + code changes required for GPU optimization
	236	!
	237	! 1001 2012-09-13 14:08:46Z raasch
	238	! all actions concerning leapfrog- and upstream-spline-scheme removed
	239	!
	240	! 978 2012-08-09 08:28:32Z fricke
	241	! km_damp_x and km_damp_y removed in calls of diffusion_u and diffusion_v
	242	! add ptdf_x, ptdf_y for damping the potential temperature at the inflow
	243	! boundary in case of non-cyclic lateral boundaries
	244	! Bugfix: first thread index changes for WS-scheme at the inflow
	245	!
	246	! 940 2012-07-09 14:31:00Z raasch
	247	! temperature equation can be switched off
	248	!
	249	! Revision 1.1 2000/04/13 14:56:27 schroeter
	250	! Initial revision
	251	!
	252	!
	253	! Description:
	254	! ------------
	255	!> Solving the prognostic equations.
	256	!------------------------------------------------------------------------------!
	257	MODULE prognostic_equations_mod
	258
	259
[2155]	260
[1875]	261	USE arrays_3d, &
[2292]	262	ONLY: diss_l_e, diss_l_nc, diss_l_nr, diss_l_pt, diss_l_q, diss_l_qc, &
	263	diss_l_qr, diss_l_s, diss_l_sa, diss_s_e, diss_s_nc, diss_s_nr, &
	264	diss_s_pt, diss_s_q, diss_s_qc, diss_s_qr, diss_s_s, diss_s_sa, &
	265	e, e_p, flux_s_e, flux_s_nc, flux_s_nr, flux_s_pt, flux_s_q, &
	266	flux_s_qc, flux_s_qr, flux_s_s, flux_s_sa, flux_l_e, flux_l_nc, &
	267	flux_l_nr, flux_l_pt, flux_l_q, flux_l_qc, flux_l_qr, flux_l_s, &
	268	flux_l_sa, nc, nc_p, nr, nr_p, pt, ptdf_x, ptdf_y, pt_init, &
	269	pt_p, prho, q, q_init, q_p, qc, qc_p, qr, qr_p, rdf, rdf_sc, &
	270	ref_state, rho_ocean, s, s_init, s_p, sa, sa_init, sa_p, tend, &
	271	te_m, tnc_m, tnr_m, tpt_m, tq_m, tqc_m, tqr_m, ts_m, tsa_m, &
	272	tu_m, tv_m, tw_m, u, ug, u_init, u_p, v, vg, vpt, v_init, v_p, &
	273	w, w_p
[2155]	274
[2696]	275	USE chemistry_model_mod, &
[2815]	276	ONLY: chem_integrate, chem_prognostic_equations, &
	277	chem_species, nspec, nvar, spc_names
[2696]	278
	279	USE chem_photolysis_mod, &
	280	ONLY: photolysis_control
	281
	282	USE chem_modules, &
	283	ONLY: call_chem_at_all_substeps, chem_gasphase_on
	284
[1875]	285	USE control_parameters, &
[2696]	286	ONLY: air_chemistry, call_microphysics_at_all_substeps, &
	287	cloud_physics, cloud_top_radiation, constant_diffusion, &
	288	dp_external, dp_level_ind_b, dp_smooth_factor, dpdxy, dt_3d, &
	289	humidity, &
[1875]	290	inflow_l, intermediate_timestep_count, &
	291	intermediate_timestep_count_max, large_scale_forcing, &
[2746]	292	large_scale_subsidence, microphysics_morrison, &
	293	microphysics_seifert, microphysics_sat_adjust, neutral, nudging,&
	294	ocean, outflow_l, outflow_s, passive_scalar, plant_canopy, &
	295	prho_reference, prho_reference, &
[1875]	296	prho_reference, pt_reference, pt_reference, pt_reference, &
	297	scalar_advec, scalar_advec, simulated_time, sloping_surface, &
[2232]	298	timestep_scheme, tsc, use_subsidence_tendencies, &
[2563]	299	use_upstream_for_tke, wind_turbine, ws_scheme_mom, &
	300	ws_scheme_sca
[1875]	301
	302	USE cpulog, &
[2696]	303	ONLY: cpu_log, log_point, log_point_s
[1875]	304
[2696]	305
[1875]	306	USE eqn_state_seawater_mod, &
	307	ONLY: eqn_state_seawater
	308
	309	USE indices, &
[2696]	310	ONLY: nbgp, nxl, nxlg, nxlu, nxr, nxrg, nyn, nyng, nys, nysg, nysv, &
	311	nzb, nzt, wall_flags_0
[1875]	312
	313	USE advec_ws, &
[2118]	314	ONLY: advec_s_ws, advec_u_ws, advec_v_ws, advec_w_ws
[1875]	315
	316	USE advec_s_bc_mod, &
	317	ONLY: advec_s_bc
	318
	319	USE advec_s_pw_mod, &
	320	ONLY: advec_s_pw
	321
	322	USE advec_s_up_mod, &
	323	ONLY: advec_s_up
	324
	325	USE advec_u_pw_mod, &
	326	ONLY: advec_u_pw
	327
	328	USE advec_u_up_mod, &
	329	ONLY: advec_u_up
	330
	331	USE advec_v_pw_mod, &
	332	ONLY: advec_v_pw
	333
	334	USE advec_v_up_mod, &
	335	ONLY: advec_v_up
	336
	337	USE advec_w_pw_mod, &
	338	ONLY: advec_w_pw
	339
	340	USE advec_w_up_mod, &
	341	ONLY: advec_w_up
	342
	343	USE buoyancy_mod, &
[2118]	344	ONLY: buoyancy
[1875]	345
	346	USE calc_radiation_mod, &
	347	ONLY: calc_radiation
[2155]	348
[1875]	349	USE coriolis_mod, &
[2118]	350	ONLY: coriolis
[1875]	351
	352	USE diffusion_s_mod, &
[2118]	353	ONLY: diffusion_s
[1875]	354
	355	USE diffusion_u_mod, &
[2118]	356	ONLY: diffusion_u
[1875]	357
	358	USE diffusion_v_mod, &
[2118]	359	ONLY: diffusion_v
[1875]	360
	361	USE diffusion_w_mod, &
[2118]	362	ONLY: diffusion_w
[1875]	363
	364	USE kinds
	365
[2320]	366	USE lsf_nudging_mod, &
	367	ONLY: ls_advec, nudge
[1875]	368
	369	USE microphysics_mod, &
	370	ONLY: microphysics_control
	371
	372	USE plant_canopy_model_mod, &
[2746]	373	ONLY: cthf, pcm_tendency
[1875]	374
	375	USE radiation_model_mod, &
[1976]	376	ONLY: radiation, radiation_tendency, &
[1875]	377	skip_time_do_radiation
	378
	379	USE statistics, &
	380	ONLY: hom
	381
	382	USE subsidence_mod, &
	383	ONLY: subsidence
	384
[2696]	385	USE turbulence_closure_mod, &
	386	ONLY: tcm_prognostic
	387
[1875]	388	USE user_actions_mod, &
	389	ONLY: user_actions
	390
[2232]	391	USE surface_mod, &
	392	ONLY : surf_def_h, surf_def_v, surf_lsm_h, surf_lsm_v, surf_usm_h, &
	393	surf_usm_v
	394
[1914]	395	USE wind_turbine_model_mod, &
[2563]	396	ONLY: wtm_tendencies
[1875]	397
[1914]	398
[1875]	399	PRIVATE
[2118]	400	PUBLIC prognostic_equations_cache, prognostic_equations_vector
[1875]	401
	402	INTERFACE prognostic_equations_cache
	403	MODULE PROCEDURE prognostic_equations_cache
	404	END INTERFACE prognostic_equations_cache
	405
	406	INTERFACE prognostic_equations_vector
	407	MODULE PROCEDURE prognostic_equations_vector
	408	END INTERFACE prognostic_equations_vector
	409
	410
	411	CONTAINS
	412
	413
	414	!------------------------------------------------------------------------------!
	415	! Description:
	416	! ------------
	417	!> Version with one optimized loop over all equations. It is only allowed to
	418	!> be called for the Wicker and Skamarock or Piascek-Williams advection scheme.
	419	!>
	420	!> Here the calls of most subroutines are embedded in two DO loops over i and j,
	421	!> so communication between CPUs is not allowed (does not make sense) within
	422	!> these loops.
	423	!>
	424	!> (Optimized to avoid cache missings, i.e. for Power4/5-architectures.)
	425	!------------------------------------------------------------------------------!
[2155]	426
[1875]	427	SUBROUTINE prognostic_equations_cache
	428
	429
	430	IMPLICIT NONE
	431
	432	INTEGER(iwp) :: i !<
	433	INTEGER(iwp) :: i_omp_start !<
	434	INTEGER(iwp) :: j !<
	435	INTEGER(iwp) :: k !<
	436	INTEGER(iwp) :: omp_get_thread_num !<
	437	INTEGER(iwp) :: tn = 0 !<
[2155]	438
[1875]	439	LOGICAL :: loop_start !<
[2696]	440	INTEGER :: n, lsp !< lsp running index for chem spcs
[1875]	441
	442
	443	!
	444	!-- Time measurement can only be performed for the whole set of equations
	445	CALL cpu_log( log_point(32), 'all progn.equations', 'start' )
	446
	447	!
[2696]	448	!-- Calculation of chemical reactions. This is done outside of main loop,
	449	!-- since exchange of ghost points is required after this update of the
	450	!-- concentrations of chemical species
	451	IF ( air_chemistry ) THEN
	452	!
	453	!-- If required, calculate photolysis frequencies -
	454	!-- UNFINISHED: Why not before the intermediate timestep loop?
	455	IF ( intermediate_timestep_count == 1 ) THEN
	456	CALL photolysis_control
	457	ENDIF
	458	!
	459	!-- Chemical reactions
	460	CALL cpu_log( log_point(82), '(chem react + exch_h)', 'start' )
	461
	462	IF ( chem_gasphase_on ) THEN
	463	DO i = nxl, nxr
	464	DO j = nys, nyn
	465
	466	IF ( intermediate_timestep_count == 1 .OR. &
	467	call_chem_at_all_substeps ) THEN
	468	CALL chem_integrate (i,j)
	469	ENDIF
	470	ENDDO
	471	ENDDO
	472	ENDIF
	473	!
	474	!-- Loop over chemical species
	475	CALL cpu_log( log_point_s(84), 'chemistry exch-horiz ', 'start' )
	476	DO n = 1, nspec
	477	CALL exchange_horiz( chem_species(n)%conc, nbgp )
	478	ENDDO
	479	CALL cpu_log( log_point_s(84), 'chemistry exch-horiz ', 'stop' )
	480
	481	CALL cpu_log( log_point(82), '(chem react + exch_h)', 'stop' )
	482
	483	ENDIF
	484
	485	!
[2155]	486	!-- If required, calculate cloud microphysics
	487	IF ( cloud_physics .AND. .NOT. microphysics_sat_adjust .AND. &
	488	( intermediate_timestep_count == 1 .OR. &
[2192]	489	call_microphysics_at_all_substeps ) ) &
	490	THEN
[2261]	491	!$OMP PARALLEL PRIVATE (i,j)
[2192]	492	!$OMP DO
[2155]	493	DO i = nxlg, nxrg
	494	DO j = nysg, nyng
	495	CALL microphysics_control( i, j )
[2192]	496	ENDDO
	497	ENDDO
	498	!$OMP END PARALLEL
[2155]	499	ENDIF
	500
[2192]	501	!
	502	!-- Loop over all prognostic equations
[2261]	503	!$OMP PARALLEL PRIVATE (i,i_omp_start,j,k,loop_start,tn)
[2192]	504
	505	!$ tn = omp_get_thread_num()
	506	loop_start = .TRUE.
	507
	508	!$OMP DO
[1875]	509	DO i = nxl, nxr
	510
	511	!
	512	!-- Store the first loop index. It differs for each thread and is required
	513	!-- later in advec_ws
	514	IF ( loop_start ) THEN
	515	loop_start = .FALSE.
[2155]	516	i_omp_start = i
[1875]	517	ENDIF
	518
	519	DO j = nys, nyn
	520	!
	521	!-- Tendency terms for u-velocity component
	522	IF ( .NOT. outflow_l .OR. i > nxl ) THEN
	523
	524	tend(:,j,i) = 0.0_wp
	525	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	526	IF ( ws_scheme_mom ) THEN
	527	CALL advec_u_ws( i, j, i_omp_start, tn )
[2155]	528	ELSE
[1875]	529	CALL advec_u_pw( i, j )
[2155]	530	ENDIF
[1875]	531	ELSE
	532	CALL advec_u_up( i, j )
	533	ENDIF
	534	CALL diffusion_u( i, j )
	535	CALL coriolis( i, j, 1 )
	536	IF ( sloping_surface .AND. .NOT. neutral ) THEN
	537	CALL buoyancy( i, j, pt, 1 )
	538	ENDIF
	539
	540	!
	541	!-- Drag by plant canopy
	542	IF ( plant_canopy ) CALL pcm_tendency( i, j, 1 )
	543
	544	!
	545	!-- External pressure gradient
	546	IF ( dp_external ) THEN
	547	DO k = dp_level_ind_b+1, nzt
	548	tend(k,j,i) = tend(k,j,i) - dpdxy(1) * dp_smooth_factor(k)
	549	ENDDO
	550	ENDIF
	551
	552	!
	553	!-- Nudging
	554	IF ( nudging ) CALL nudge( i, j, simulated_time, 'u' )
	555
[1914]	556	!
	557	!-- Forces by wind turbines
	558	IF ( wind_turbine ) CALL wtm_tendencies( i, j, 1 )
	559
[1875]	560	CALL user_actions( i, j, 'u-tendency' )
	561	!
	562	!-- Prognostic equation for u-velocity component
[2232]	563	DO k = nzb+1, nzt
	564
	565	u_p(k,j,i) = u(k,j,i) + ( dt_3d * &
	566	( tsc(2) * tend(k,j,i) + &
	567	tsc(3) * tu_m(k,j,i) ) &
	568	- tsc(5) * rdf(k) &
	569	* ( u(k,j,i) - u_init(k) ) &
	570	) * MERGE( 1.0_wp, 0.0_wp, &
	571	BTEST( wall_flags_0(k,j,i), 1 )&
	572	)
[1875]	573	ENDDO
	574
	575	!
	576	!-- Calculate tendencies for the next Runge-Kutta step
	577	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	578	IF ( intermediate_timestep_count == 1 ) THEN
[2232]	579	DO k = nzb+1, nzt
[1875]	580	tu_m(k,j,i) = tend(k,j,i)
	581	ENDDO
	582	ELSEIF ( intermediate_timestep_count < &
	583	intermediate_timestep_count_max ) THEN
[2232]	584	DO k = nzb+1, nzt
	585	tu_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
	586	+ 5.3125_wp * tu_m(k,j,i)
[1875]	587	ENDDO
	588	ENDIF
	589	ENDIF
	590
	591	ENDIF
	592
	593	!
	594	!-- Tendency terms for v-velocity component
	595	IF ( .NOT. outflow_s .OR. j > nys ) THEN
	596
	597	tend(:,j,i) = 0.0_wp
	598	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	599	IF ( ws_scheme_mom ) THEN
	600	CALL advec_v_ws( i, j, i_omp_start, tn )
[2155]	601	ELSE
[1875]	602	CALL advec_v_pw( i, j )
	603	ENDIF
	604	ELSE
	605	CALL advec_v_up( i, j )
	606	ENDIF
	607	CALL diffusion_v( i, j )
	608	CALL coriolis( i, j, 2 )
	609
	610	!
	611	!-- Drag by plant canopy
[2155]	612	IF ( plant_canopy ) CALL pcm_tendency( i, j, 2 )
[1875]	613
	614	!
	615	!-- External pressure gradient
	616	IF ( dp_external ) THEN
	617	DO k = dp_level_ind_b+1, nzt
	618	tend(k,j,i) = tend(k,j,i) - dpdxy(2) * dp_smooth_factor(k)
	619	ENDDO
	620	ENDIF
	621
	622	!
	623	!-- Nudging
	624	IF ( nudging ) CALL nudge( i, j, simulated_time, 'v' )
	625
[1914]	626	!
	627	!-- Forces by wind turbines
	628	IF ( wind_turbine ) CALL wtm_tendencies( i, j, 2 )
	629
[1875]	630	CALL user_actions( i, j, 'v-tendency' )
	631	!
	632	!-- Prognostic equation for v-velocity component
[2232]	633	DO k = nzb+1, nzt
	634	v_p(k,j,i) = v(k,j,i) + ( dt_3d * &
	635	( tsc(2) * tend(k,j,i) + &
	636	tsc(3) * tv_m(k,j,i) ) &
	637	- tsc(5) * rdf(k) &
	638	* ( v(k,j,i) - v_init(k) )&
	639	) * MERGE( 1.0_wp, 0.0_wp, &
	640	BTEST( wall_flags_0(k,j,i), 2 )&
	641	)
[1875]	642	ENDDO
	643
	644	!
	645	!-- Calculate tendencies for the next Runge-Kutta step
	646	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	647	IF ( intermediate_timestep_count == 1 ) THEN
[2232]	648	DO k = nzb+1, nzt
[1875]	649	tv_m(k,j,i) = tend(k,j,i)
	650	ENDDO
	651	ELSEIF ( intermediate_timestep_count < &
	652	intermediate_timestep_count_max ) THEN
[2232]	653	DO k = nzb+1, nzt
	654	tv_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
	655	+ 5.3125_wp * tv_m(k,j,i)
[1875]	656	ENDDO
	657	ENDIF
	658	ENDIF
	659
	660	ENDIF
	661
	662	!
	663	!-- Tendency terms for w-velocity component
	664	tend(:,j,i) = 0.0_wp
	665	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	666	IF ( ws_scheme_mom ) THEN
	667	CALL advec_w_ws( i, j, i_omp_start, tn )
[2155]	668	ELSE
[1875]	669	CALL advec_w_pw( i, j )
	670	END IF
	671	ELSE
	672	CALL advec_w_up( i, j )
	673	ENDIF
	674	CALL diffusion_w( i, j )
	675	CALL coriolis( i, j, 3 )
	676
	677	IF ( .NOT. neutral ) THEN
	678	IF ( ocean ) THEN
[2031]	679	CALL buoyancy( i, j, rho_ocean, 3 )
[1875]	680	ELSE
	681	IF ( .NOT. humidity ) THEN
	682	CALL buoyancy( i, j, pt, 3 )
	683	ELSE
	684	CALL buoyancy( i, j, vpt, 3 )
	685	ENDIF
	686	ENDIF
	687	ENDIF
	688
	689	!
	690	!-- Drag by plant canopy
	691	IF ( plant_canopy ) CALL pcm_tendency( i, j, 3 )
	692
[1914]	693	!
	694	!-- Forces by wind turbines
	695	IF ( wind_turbine ) CALL wtm_tendencies( i, j, 3 )
	696
[1875]	697	CALL user_actions( i, j, 'w-tendency' )
	698	!
	699	!-- Prognostic equation for w-velocity component
[2232]	700	DO k = nzb+1, nzt-1
	701	w_p(k,j,i) = w(k,j,i) + ( dt_3d * &
	702	( tsc(2) * tend(k,j,i) + &
[1875]	703	tsc(3) * tw_m(k,j,i) ) &
[2232]	704	- tsc(5) * rdf(k) * w(k,j,i) &
	705	) * MERGE( 1.0_wp, 0.0_wp, &
	706	BTEST( wall_flags_0(k,j,i), 3 )&
	707	)
[1875]	708	ENDDO
	709
	710	!
	711	!-- Calculate tendencies for the next Runge-Kutta step
	712	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	713	IF ( intermediate_timestep_count == 1 ) THEN
[2232]	714	DO k = nzb+1, nzt-1
[1875]	715	tw_m(k,j,i) = tend(k,j,i)
	716	ENDDO
	717	ELSEIF ( intermediate_timestep_count < &
	718	intermediate_timestep_count_max ) THEN
[2232]	719	DO k = nzb+1, nzt-1
	720	tw_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
	721	+ 5.3125_wp * tw_m(k,j,i)
[1875]	722	ENDDO
	723	ENDIF
	724	ENDIF
	725
	726	!
	727	!-- If required, compute prognostic equation for potential temperature
	728	IF ( .NOT. neutral ) THEN
	729	!
	730	!-- Tendency terms for potential temperature
	731	tend(:,j,i) = 0.0_wp
	732	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	733	IF ( ws_scheme_sca ) THEN
[2232]	734	CALL advec_s_ws( i, j, pt, 'pt', flux_s_pt, diss_s_pt, &
[1875]	735	flux_l_pt, diss_l_pt, i_omp_start, tn )
	736	ELSE
	737	CALL advec_s_pw( i, j, pt )
	738	ENDIF
	739	ELSE
	740	CALL advec_s_up( i, j, pt )
	741	ENDIF
[2232]	742	CALL diffusion_s( i, j, pt, &
	743	surf_def_h(0)%shf, surf_def_h(1)%shf, &
	744	surf_def_h(2)%shf, &
	745	surf_lsm_h%shf, surf_usm_h%shf, &
	746	surf_def_v(0)%shf, surf_def_v(1)%shf, &
	747	surf_def_v(2)%shf, surf_def_v(3)%shf, &
	748	surf_lsm_v(0)%shf, surf_lsm_v(1)%shf, &
	749	surf_lsm_v(2)%shf, surf_lsm_v(3)%shf, &
	750	surf_usm_v(0)%shf, surf_usm_v(1)%shf, &
	751	surf_usm_v(2)%shf, surf_usm_v(3)%shf )
[1875]	752	!
	753	!-- If required compute heating/cooling due to long wave radiation
	754	!-- processes
	755	IF ( cloud_top_radiation ) THEN
	756	CALL calc_radiation( i, j )
	757	ENDIF
	758
	759	!
	760	!-- Consideration of heat sources within the plant canopy
	761	IF ( plant_canopy .AND. cthf /= 0.0_wp ) THEN
	762	CALL pcm_tendency( i, j, 4 )
	763	ENDIF
	764
	765	!
	766	!-- Large scale advection
	767	IF ( large_scale_forcing ) THEN
	768	CALL ls_advec( i, j, simulated_time, 'pt' )
[2155]	769	ENDIF
[1875]	770
	771	!
	772	!-- Nudging
[2155]	773	IF ( nudging ) CALL nudge( i, j, simulated_time, 'pt' )
[1875]	774
	775	!
	776	!-- If required, compute effect of large-scale subsidence/ascent
	777	IF ( large_scale_subsidence .AND. &
	778	.NOT. use_subsidence_tendencies ) THEN
	779	CALL subsidence( i, j, tend, pt, pt_init, 2 )
	780	ENDIF
	781
	782	!
	783	!-- If required, add tendency due to radiative heating/cooling
[1976]	784	IF ( radiation .AND. &
[1875]	785	simulated_time > skip_time_do_radiation ) THEN
	786	CALL radiation_tendency ( i, j, tend )
	787	ENDIF
	788
	789
	790	CALL user_actions( i, j, 'pt-tendency' )
	791	!
	792	!-- Prognostic equation for potential temperature
[2232]	793	DO k = nzb+1, nzt
	794	pt_p(k,j,i) = pt(k,j,i) + ( dt_3d * &
	795	( tsc(2) * tend(k,j,i) + &
[1875]	796	tsc(3) * tpt_m(k,j,i) ) &
[2232]	797	- tsc(5) &
	798	* ( pt(k,j,i) - pt_init(k) ) &
	799	* ( rdf_sc(k) + ptdf_x(i) &
	800	+ ptdf_y(j) ) &
	801	) &
	802	* MERGE( 1.0_wp, 0.0_wp, &
	803	BTEST( wall_flags_0(k,j,i), 0 )&
	804	)
[1875]	805	ENDDO
	806
	807	!
	808	!-- Calculate tendencies for the next Runge-Kutta step
	809	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	810	IF ( intermediate_timestep_count == 1 ) THEN
[2232]	811	DO k = nzb+1, nzt
[1875]	812	tpt_m(k,j,i) = tend(k,j,i)
	813	ENDDO
	814	ELSEIF ( intermediate_timestep_count < &
	815	intermediate_timestep_count_max ) THEN
[2232]	816	DO k = nzb+1, nzt
	817	tpt_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
	818	5.3125_wp * tpt_m(k,j,i)
[1875]	819	ENDDO
	820	ENDIF
	821	ENDIF
	822
	823	ENDIF
	824
	825	!
	826	!-- If required, compute prognostic equation for salinity
	827	IF ( ocean ) THEN
	828
	829	!
	830	!-- Tendency-terms for salinity
	831	tend(:,j,i) = 0.0_wp
	832	IF ( timestep_scheme(1:5) == 'runge' ) &
	833	THEN
	834	IF ( ws_scheme_sca ) THEN
	835	CALL advec_s_ws( i, j, sa, 'sa', flux_s_sa, &
	836	diss_s_sa, flux_l_sa, diss_l_sa, i_omp_start, tn )
[2155]	837	ELSE
[1875]	838	CALL advec_s_pw( i, j, sa )
	839	ENDIF
	840	ELSE
	841	CALL advec_s_up( i, j, sa )
	842	ENDIF
[2232]	843	CALL diffusion_s( i, j, sa, &
	844	surf_def_h(0)%sasws, surf_def_h(1)%sasws, &
	845	surf_def_h(2)%sasws, &
	846	surf_lsm_h%sasws, surf_usm_h%sasws, &
	847	surf_def_v(0)%sasws, surf_def_v(1)%sasws, &
	848	surf_def_v(2)%sasws, surf_def_v(3)%sasws, &
	849	surf_lsm_v(0)%sasws, surf_lsm_v(1)%sasws, &
	850	surf_lsm_v(2)%sasws, surf_lsm_v(3)%sasws, &
	851	surf_usm_v(0)%sasws, surf_usm_v(1)%sasws, &
	852	surf_usm_v(2)%sasws, surf_usm_v(3)%sasws )
[1875]	853
	854	CALL user_actions( i, j, 'sa-tendency' )
	855
	856	!
	857	!-- Prognostic equation for salinity
[2232]	858	DO k = nzb+1, nzt
	859	sa_p(k,j,i) = sa(k,j,i) + ( dt_3d * &
	860	( tsc(2) * tend(k,j,i) + &
[1875]	861	tsc(3) * tsa_m(k,j,i) ) &
[2232]	862	- tsc(5) * rdf_sc(k) &
	863	* ( sa(k,j,i) - sa_init(k) )&
	864	) * MERGE( 1.0_wp, 0.0_wp, &
	865	BTEST( wall_flags_0(k,j,i), 0 )&
	866	)
[1875]	867	IF ( sa_p(k,j,i) < 0.0_wp ) sa_p(k,j,i) = 0.1_wp * sa(k,j,i)
	868	ENDDO
	869
	870	!
	871	!-- Calculate tendencies for the next Runge-Kutta step
	872	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	873	IF ( intermediate_timestep_count == 1 ) THEN
[2232]	874	DO k = nzb+1, nzt
[1875]	875	tsa_m(k,j,i) = tend(k,j,i)
	876	ENDDO
	877	ELSEIF ( intermediate_timestep_count < &
	878	intermediate_timestep_count_max ) THEN
[2232]	879	DO k = nzb+1, nzt
	880	tsa_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
	881	5.3125_wp * tsa_m(k,j,i)
	882	ENDDO
[1875]	883	ENDIF
	884	ENDIF
	885
	886	!
	887	!-- Calculate density by the equation of state for seawater
	888	CALL eqn_state_seawater( i, j )
	889
	890	ENDIF
	891
	892	!
[1960]	893	!-- If required, compute prognostic equation for total water content
	894	IF ( humidity ) THEN
[1875]	895
	896	!
	897	!-- Tendency-terms for total water content / scalar
	898	tend(:,j,i) = 0.0_wp
	899	IF ( timestep_scheme(1:5) == 'runge' ) &
	900	THEN
	901	IF ( ws_scheme_sca ) THEN
[2155]	902	CALL advec_s_ws( i, j, q, 'q', flux_s_q, &
[1875]	903	diss_s_q, flux_l_q, diss_l_q, i_omp_start, tn )
[2155]	904	ELSE
[1875]	905	CALL advec_s_pw( i, j, q )
	906	ENDIF
	907	ELSE
	908	CALL advec_s_up( i, j, q )
	909	ENDIF
[2232]	910	CALL diffusion_s( i, j, q, &
	911	surf_def_h(0)%qsws, surf_def_h(1)%qsws, &
	912	surf_def_h(2)%qsws, &
	913	surf_lsm_h%qsws, surf_usm_h%qsws, &
	914	surf_def_v(0)%qsws, surf_def_v(1)%qsws, &
	915	surf_def_v(2)%qsws, surf_def_v(3)%qsws, &
	916	surf_lsm_v(0)%qsws, surf_lsm_v(1)%qsws, &
	917	surf_lsm_v(2)%qsws, surf_lsm_v(3)%qsws, &
	918	surf_usm_v(0)%qsws, surf_usm_v(1)%qsws, &
	919	surf_usm_v(2)%qsws, surf_usm_v(3)%qsws )
[1875]	920
	921	!
[1960]	922	!-- Sink or source of humidity due to canopy elements
[1875]	923	IF ( plant_canopy ) CALL pcm_tendency( i, j, 5 )
	924
	925	!
	926	!-- Large scale advection
	927	IF ( large_scale_forcing ) THEN
	928	CALL ls_advec( i, j, simulated_time, 'q' )
	929	ENDIF
	930
	931	!
	932	!-- Nudging
[2155]	933	IF ( nudging ) CALL nudge( i, j, simulated_time, 'q' )
[1875]	934
	935	!
	936	!-- If required compute influence of large-scale subsidence/ascent
	937	IF ( large_scale_subsidence .AND. &
	938	.NOT. use_subsidence_tendencies ) THEN
	939	CALL subsidence( i, j, tend, q, q_init, 3 )
	940	ENDIF
	941
	942	CALL user_actions( i, j, 'q-tendency' )
	943
	944	!
	945	!-- Prognostic equation for total water content / scalar
[2232]	946	DO k = nzb+1, nzt
	947	q_p(k,j,i) = q(k,j,i) + ( dt_3d * &
	948	( tsc(2) * tend(k,j,i) + &
[1875]	949	tsc(3) * tq_m(k,j,i) ) &
[2232]	950	- tsc(5) * rdf_sc(k) * &
	951	( q(k,j,i) - q_init(k) ) &
	952	) &
	953	* MERGE( 1.0_wp, 0.0_wp, &
	954	BTEST( wall_flags_0(k,j,i), 0 )&
	955	)
[1875]	956	IF ( q_p(k,j,i) < 0.0_wp ) q_p(k,j,i) = 0.1_wp * q(k,j,i)
	957	ENDDO
	958
	959	!
	960	!-- Calculate tendencies for the next Runge-Kutta step
	961	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	962	IF ( intermediate_timestep_count == 1 ) THEN
[2232]	963	DO k = nzb+1, nzt
[1875]	964	tq_m(k,j,i) = tend(k,j,i)
	965	ENDDO
	966	ELSEIF ( intermediate_timestep_count < &
	967	intermediate_timestep_count_max ) THEN
[2232]	968	DO k = nzb+1, nzt
	969	tq_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
	970	5.3125_wp * tq_m(k,j,i)
[1875]	971	ENDDO
	972	ENDIF
	973	ENDIF
	974
	975	!
[2292]	976	!-- If required, calculate prognostic equations for cloud water content
	977	!-- and cloud drop concentration
	978	IF ( cloud_physics .AND. microphysics_morrison ) THEN
	979	!
	980	!-- Calculate prognostic equation for cloud water content
	981	tend(:,j,i) = 0.0_wp
	982	IF ( timestep_scheme(1:5) == 'runge' ) &
	983	THEN
	984	IF ( ws_scheme_sca ) THEN
	985	CALL advec_s_ws( i, j, qc, 'qc', flux_s_qc, &
	986	diss_s_qc, flux_l_qc, diss_l_qc, &
	987	i_omp_start, tn )
	988	ELSE
	989	CALL advec_s_pw( i, j, qc )
	990	ENDIF
	991	ELSE
	992	CALL advec_s_up( i, j, qc )
	993	ENDIF
	994	CALL diffusion_s( i, j, qc, &
	995	surf_def_h(0)%qcsws, surf_def_h(1)%qcsws, &
	996	surf_def_h(2)%qcsws, &
	997	surf_lsm_h%qcsws, surf_usm_h%qcsws, &
	998	surf_def_v(0)%qcsws, surf_def_v(1)%qcsws, &
	999	surf_def_v(2)%qcsws, surf_def_v(3)%qcsws, &
	1000	surf_lsm_v(0)%qcsws, surf_lsm_v(1)%qcsws, &
	1001	surf_lsm_v(2)%qcsws, surf_lsm_v(3)%qcsws, &
	1002	surf_usm_v(0)%qcsws, surf_usm_v(1)%qcsws, &
	1003	surf_usm_v(2)%qcsws, surf_usm_v(3)%qcsws )
	1004
	1005	!
	1006	!-- Prognostic equation for cloud water content
	1007	DO k = nzb+1, nzt
	1008	qc_p(k,j,i) = qc(k,j,i) + ( dt_3d * &
	1009	( tsc(2) * tend(k,j,i) + &
	1010	tsc(3) * tqc_m(k,j,i) )&
	1011	- tsc(5) * rdf_sc(k) &
	1012	* qc(k,j,i) &
	1013	) &
	1014	* MERGE( 1.0_wp, 0.0_wp, &
	1015	BTEST( wall_flags_0(k,j,i), 0 )&
	1016	)
	1017	IF ( qc_p(k,j,i) < 0.0_wp ) qc_p(k,j,i) = 0.0_wp
	1018	ENDDO
	1019	!
	1020	!-- Calculate tendencies for the next Runge-Kutta step
	1021	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1022	IF ( intermediate_timestep_count == 1 ) THEN
	1023	DO k = nzb+1, nzt
	1024	tqc_m(k,j,i) = tend(k,j,i)
	1025	ENDDO
	1026	ELSEIF ( intermediate_timestep_count < &
	1027	intermediate_timestep_count_max ) THEN
	1028	DO k = nzb+1, nzt
	1029	tqc_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
	1030	5.3125_wp * tqc_m(k,j,i)
	1031	ENDDO
	1032	ENDIF
	1033	ENDIF
	1034
	1035	!
	1036	!-- Calculate prognostic equation for cloud drop concentration.
	1037	tend(:,j,i) = 0.0_wp
	1038	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1039	IF ( ws_scheme_sca ) THEN
	1040	CALL advec_s_ws( i, j, nc, 'nc', flux_s_nc, &
	1041	diss_s_nc, flux_l_nc, diss_l_nc, &
	1042	i_omp_start, tn )
	1043	ELSE
	1044	CALL advec_s_pw( i, j, nc )
	1045	ENDIF
	1046	ELSE
	1047	CALL advec_s_up( i, j, nc )
	1048	ENDIF
	1049	CALL diffusion_s( i, j, nc, &
	1050	surf_def_h(0)%ncsws, surf_def_h(1)%ncsws, &
	1051	surf_def_h(2)%ncsws, &
	1052	surf_lsm_h%ncsws, surf_usm_h%ncsws, &
	1053	surf_def_v(0)%ncsws, surf_def_v(1)%ncsws, &
	1054	surf_def_v(2)%ncsws, surf_def_v(3)%ncsws, &
	1055	surf_lsm_v(0)%ncsws, surf_lsm_v(1)%ncsws, &
	1056	surf_lsm_v(2)%ncsws, surf_lsm_v(3)%ncsws, &
	1057	surf_usm_v(0)%ncsws, surf_usm_v(1)%ncsws, &
	1058	surf_usm_v(2)%ncsws, surf_usm_v(3)%ncsws )
	1059
	1060	!
	1061	!-- Prognostic equation for cloud drop concentration
	1062	DO k = nzb+1, nzt
	1063	nc_p(k,j,i) = nc(k,j,i) + ( dt_3d * &
	1064	( tsc(2) * tend(k,j,i) + &
	1065	tsc(3) * tnc_m(k,j,i) )&
	1066	- tsc(5) * rdf_sc(k) &
	1067	* nc(k,j,i) &
	1068	) &
	1069	* MERGE( 1.0_wp, 0.0_wp, &
	1070	BTEST( wall_flags_0(k,j,i), 0 )&
	1071	)
	1072	IF ( nc_p(k,j,i) < 0.0_wp ) nc_p(k,j,i) = 0.0_wp
	1073	ENDDO
	1074	!
	1075	!-- Calculate tendencies for the next Runge-Kutta step
	1076	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1077	IF ( intermediate_timestep_count == 1 ) THEN
	1078	DO k = nzb+1, nzt
	1079	tnc_m(k,j,i) = tend(k,j,i)
	1080	ENDDO
	1081	ELSEIF ( intermediate_timestep_count < &
	1082	intermediate_timestep_count_max ) THEN
	1083	DO k = nzb+1, nzt
	1084	tnc_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
	1085	5.3125_wp * tnc_m(k,j,i)
	1086	ENDDO
	1087	ENDIF
	1088	ENDIF
	1089
	1090	ENDIF
	1091	!
[2155]	1092	!-- If required, calculate prognostic equations for rain water content
[1875]	1093	!-- and rain drop concentration
	1094	IF ( cloud_physics .AND. microphysics_seifert ) THEN
	1095	!
	1096	!-- Calculate prognostic equation for rain water content
	1097	tend(:,j,i) = 0.0_wp
	1098	IF ( timestep_scheme(1:5) == 'runge' ) &
	1099	THEN
	1100	IF ( ws_scheme_sca ) THEN
[2155]	1101	CALL advec_s_ws( i, j, qr, 'qr', flux_s_qr, &
[1875]	1102	diss_s_qr, flux_l_qr, diss_l_qr, &
	1103	i_omp_start, tn )
[2155]	1104	ELSE
[1875]	1105	CALL advec_s_pw( i, j, qr )
	1106	ENDIF
	1107	ELSE
	1108	CALL advec_s_up( i, j, qr )
	1109	ENDIF
[2232]	1110	CALL diffusion_s( i, j, qr, &
	1111	surf_def_h(0)%qrsws, surf_def_h(1)%qrsws, &
	1112	surf_def_h(2)%qrsws, &
	1113	surf_lsm_h%qrsws, surf_usm_h%qrsws, &
	1114	surf_def_v(0)%qrsws, surf_def_v(1)%qrsws, &
	1115	surf_def_v(2)%qrsws, surf_def_v(3)%qrsws, &
	1116	surf_lsm_v(0)%qrsws, surf_lsm_v(1)%qrsws, &
	1117	surf_lsm_v(2)%qrsws, surf_lsm_v(3)%qrsws, &
	1118	surf_usm_v(0)%qrsws, surf_usm_v(1)%qrsws, &
	1119	surf_usm_v(2)%qrsws, surf_usm_v(3)%qrsws )
[1875]	1120
	1121	!
	1122	!-- Prognostic equation for rain water content
[2232]	1123	DO k = nzb+1, nzt
	1124	qr_p(k,j,i) = qr(k,j,i) + ( dt_3d * &
	1125	( tsc(2) * tend(k,j,i) + &
	1126	tsc(3) * tqr_m(k,j,i) )&
	1127	- tsc(5) * rdf_sc(k) &
	1128	* qr(k,j,i) &
	1129	) &
	1130	* MERGE( 1.0_wp, 0.0_wp, &
	1131	BTEST( wall_flags_0(k,j,i), 0 )&
	1132	)
[1875]	1133	IF ( qr_p(k,j,i) < 0.0_wp ) qr_p(k,j,i) = 0.0_wp
	1134	ENDDO
	1135	!
	1136	!-- Calculate tendencies for the next Runge-Kutta step
	1137	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1138	IF ( intermediate_timestep_count == 1 ) THEN
[2232]	1139	DO k = nzb+1, nzt
[1875]	1140	tqr_m(k,j,i) = tend(k,j,i)
	1141	ENDDO
	1142	ELSEIF ( intermediate_timestep_count < &
	1143	intermediate_timestep_count_max ) THEN
[2232]	1144	DO k = nzb+1, nzt
	1145	tqr_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
	1146	5.3125_wp * tqr_m(k,j,i)
[1875]	1147	ENDDO
	1148	ENDIF
	1149	ENDIF
	1150
	1151	!
	1152	!-- Calculate prognostic equation for rain drop concentration.
	1153	tend(:,j,i) = 0.0_wp
	1154	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1155	IF ( ws_scheme_sca ) THEN
[2155]	1156	CALL advec_s_ws( i, j, nr, 'nr', flux_s_nr, &
[1875]	1157	diss_s_nr, flux_l_nr, diss_l_nr, &
	1158	i_omp_start, tn )
[2155]	1159	ELSE
[1875]	1160	CALL advec_s_pw( i, j, nr )
	1161	ENDIF
	1162	ELSE
	1163	CALL advec_s_up( i, j, nr )
	1164	ENDIF
[2232]	1165	CALL diffusion_s( i, j, nr, &
	1166	surf_def_h(0)%nrsws, surf_def_h(1)%nrsws, &
	1167	surf_def_h(2)%nrsws, &
	1168	surf_lsm_h%nrsws, surf_usm_h%nrsws, &
	1169	surf_def_v(0)%nrsws, surf_def_v(1)%nrsws, &
	1170	surf_def_v(2)%nrsws, surf_def_v(3)%nrsws, &
	1171	surf_lsm_v(0)%nrsws, surf_lsm_v(1)%nrsws, &
	1172	surf_lsm_v(2)%nrsws, surf_lsm_v(3)%nrsws, &
	1173	surf_usm_v(0)%nrsws, surf_usm_v(1)%nrsws, &
	1174	surf_usm_v(2)%nrsws, surf_usm_v(3)%nrsws )
[1875]	1175
	1176	!
	1177	!-- Prognostic equation for rain drop concentration
[2232]	1178	DO k = nzb+1, nzt
	1179	nr_p(k,j,i) = nr(k,j,i) + ( dt_3d * &
	1180	( tsc(2) * tend(k,j,i) + &
	1181	tsc(3) * tnr_m(k,j,i) )&
	1182	- tsc(5) * rdf_sc(k) &
	1183	* nr(k,j,i) &
	1184	) &
	1185	* MERGE( 1.0_wp, 0.0_wp, &
	1186	BTEST( wall_flags_0(k,j,i), 0 )&
	1187	)
[1875]	1188	IF ( nr_p(k,j,i) < 0.0_wp ) nr_p(k,j,i) = 0.0_wp
	1189	ENDDO
	1190	!
	1191	!-- Calculate tendencies for the next Runge-Kutta step
	1192	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1193	IF ( intermediate_timestep_count == 1 ) THEN
[2232]	1194	DO k = nzb+1, nzt
[1875]	1195	tnr_m(k,j,i) = tend(k,j,i)
	1196	ENDDO
	1197	ELSEIF ( intermediate_timestep_count < &
	1198	intermediate_timestep_count_max ) THEN
[2232]	1199	DO k = nzb+1, nzt
	1200	tnr_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
	1201	5.3125_wp * tnr_m(k,j,i)
[1875]	1202	ENDDO
	1203	ENDIF
	1204	ENDIF
	1205
	1206	ENDIF
	1207
	1208	ENDIF
[2155]	1209
[1960]	1210	!
	1211	!-- If required, compute prognostic equation for scalar
	1212	IF ( passive_scalar ) THEN
	1213	!
	1214	!-- Tendency-terms for total water content / scalar
	1215	tend(:,j,i) = 0.0_wp
	1216	IF ( timestep_scheme(1:5) == 'runge' ) &
	1217	THEN
	1218	IF ( ws_scheme_sca ) THEN
[2155]	1219	CALL advec_s_ws( i, j, s, 's', flux_s_s, &
[1960]	1220	diss_s_s, flux_l_s, diss_l_s, i_omp_start, tn )
[2155]	1221	ELSE
[1960]	1222	CALL advec_s_pw( i, j, s )
	1223	ENDIF
	1224	ELSE
	1225	CALL advec_s_up( i, j, s )
	1226	ENDIF
[2232]	1227	CALL diffusion_s( i, j, s, &
	1228	surf_def_h(0)%ssws, surf_def_h(1)%ssws, &
	1229	surf_def_h(2)%ssws, &
	1230	surf_lsm_h%ssws, surf_usm_h%ssws, &
	1231	surf_def_v(0)%ssws, surf_def_v(1)%ssws, &
	1232	surf_def_v(2)%ssws, surf_def_v(3)%ssws, &
	1233	surf_lsm_v(0)%ssws, surf_lsm_v(1)%ssws, &
	1234	surf_lsm_v(2)%ssws, surf_lsm_v(3)%ssws, &
	1235	surf_usm_v(0)%ssws, surf_usm_v(1)%ssws, &
	1236	surf_usm_v(2)%ssws, surf_usm_v(3)%ssws )
[1875]	1237
	1238	!
[1960]	1239	!-- Sink or source of scalar concentration due to canopy elements
	1240	IF ( plant_canopy ) CALL pcm_tendency( i, j, 7 )
	1241
	1242	!
	1243	!-- Large scale advection, still need to be extended for scalars
	1244	! IF ( large_scale_forcing ) THEN
	1245	! CALL ls_advec( i, j, simulated_time, 's' )
	1246	! ENDIF
	1247
	1248	!
	1249	!-- Nudging, still need to be extended for scalars
[2155]	1250	! IF ( nudging ) CALL nudge( i, j, simulated_time, 's' )
[1960]	1251
	1252	!
	1253	!-- If required compute influence of large-scale subsidence/ascent.
[2155]	1254	!-- Note, the last argument is of no meaning in this case, as it is
	1255	!-- only used in conjunction with large_scale_forcing, which is to
[1960]	1256	!-- date not implemented for scalars.
	1257	IF ( large_scale_subsidence .AND. &
	1258	.NOT. use_subsidence_tendencies .AND. &
	1259	.NOT. large_scale_forcing ) THEN
	1260	CALL subsidence( i, j, tend, s, s_init, 3 )
	1261	ENDIF
	1262
	1263	CALL user_actions( i, j, 's-tendency' )
	1264
	1265	!
	1266	!-- Prognostic equation for scalar
[2232]	1267	DO k = nzb+1, nzt
	1268	s_p(k,j,i) = s(k,j,i) + ( dt_3d * &
	1269	( tsc(2) * tend(k,j,i) + &
	1270	tsc(3) * ts_m(k,j,i) ) &
	1271	- tsc(5) * rdf_sc(k) &
	1272	* ( s(k,j,i) - s_init(k) )&
	1273	) &
	1274	* MERGE( 1.0_wp, 0.0_wp, &
	1275	BTEST( wall_flags_0(k,j,i), 0 )&
	1276	)
[1960]	1277	IF ( s_p(k,j,i) < 0.0_wp ) s_p(k,j,i) = 0.1_wp * s(k,j,i)
	1278	ENDDO
	1279
	1280	!
	1281	!-- Calculate tendencies for the next Runge-Kutta step
	1282	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1283	IF ( intermediate_timestep_count == 1 ) THEN
[2232]	1284	DO k = nzb+1, nzt
[1960]	1285	ts_m(k,j,i) = tend(k,j,i)
	1286	ENDDO
	1287	ELSEIF ( intermediate_timestep_count < &
	1288	intermediate_timestep_count_max ) THEN
[2232]	1289	DO k = nzb+1, nzt
	1290	ts_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
	1291	5.3125_wp * ts_m(k,j,i)
[1960]	1292	ENDDO
	1293	ENDIF
	1294	ENDIF
	1295
[2155]	1296	ENDIF
[1960]	1297	!
[2696]	1298	!-- Calculate prognostic equations for turbulence closure
	1299	CALL tcm_prognostic( i, j, i_omp_start, tn )
[1875]	1300
	1301	!
[2696]	1302	!-- If required, compute prognostic equation for chemical quantites
	1303	IF ( air_chemistry ) THEN
	1304	CALL cpu_log( log_point(83), '(chem advec+diff+prog)', 'start' )
[1875]	1305	!
[2696]	1306	!-- Loop over chemical species
[2815]	1307	DO lsp = 1, nvar
	1308	CALL chem_prognostic_equations ( chem_species(lsp)%conc_p, &
[2696]	1309	chem_species(lsp)%conc, &
	1310	chem_species(lsp)%tconc_m, &
	1311	chem_species(lsp)%conc_pr_init, &
	1312	i, j, i_omp_start, tn, lsp, &
	1313	chem_species(lsp)%flux_s_cs, &
	1314	chem_species(lsp)%diss_s_cs, &
	1315	chem_species(lsp)%flux_l_cs, &
	1316	chem_species(lsp)%diss_l_cs )
[1875]	1317	ENDDO
	1318
[2696]	1319	CALL cpu_log( log_point(83), '(chem advec+diff+prog)', 'stop' )
	1320	ENDIF ! Chemicals equations
[1875]	1321
	1322	ENDDO
	1323	ENDDO
[2192]	1324	!$OMP END PARALLEL
[1875]	1325
[2232]	1326
	1327
	1328
[1875]	1329	CALL cpu_log( log_point(32), 'all progn.equations', 'stop' )
	1330
	1331
	1332	END SUBROUTINE prognostic_equations_cache
	1333
	1334
	1335	!------------------------------------------------------------------------------!
	1336	! Description:
	1337	! ------------
	1338	!> Version for vector machines
	1339	!------------------------------------------------------------------------------!
[2155]	1340
[1875]	1341	SUBROUTINE prognostic_equations_vector
	1342
	1343
	1344	IMPLICIT NONE
	1345
[2815]	1346	INTEGER(iwp) :: i !<
	1347	INTEGER(iwp) :: j !<
	1348	INTEGER(iwp) :: k !<
	1349	INTEGER(iwp) :: lsp !< running index for chemical species
[1875]	1350
	1351	REAL(wp) :: sbt !<
	1352
	1353
	1354	!
	1355	!-- If required, calculate cloud microphysical impacts
	1356	IF ( cloud_physics .AND. .NOT. microphysics_sat_adjust .AND. &
	1357	( intermediate_timestep_count == 1 .OR. &
	1358	call_microphysics_at_all_substeps ) &
	1359	) THEN
	1360	CALL cpu_log( log_point(51), 'microphysics', 'start' )
	1361	CALL microphysics_control
	1362	CALL cpu_log( log_point(51), 'microphysics', 'stop' )
	1363	ENDIF
	1364
	1365	!
	1366	!-- u-velocity component
	1367	CALL cpu_log( log_point(5), 'u-equation', 'start' )
	1368
	1369	tend = 0.0_wp
	1370	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1371	IF ( ws_scheme_mom ) THEN
	1372	CALL advec_u_ws
	1373	ELSE
	1374	CALL advec_u_pw
	1375	ENDIF
	1376	ELSE
	1377	CALL advec_u_up
	1378	ENDIF
	1379	CALL diffusion_u
	1380	CALL coriolis( 1 )
	1381	IF ( sloping_surface .AND. .NOT. neutral ) THEN
	1382	CALL buoyancy( pt, 1 )
	1383	ENDIF
	1384
	1385	!
	1386	!-- Drag by plant canopy
	1387	IF ( plant_canopy ) CALL pcm_tendency( 1 )
	1388
	1389	!
	1390	!-- External pressure gradient
	1391	IF ( dp_external ) THEN
	1392	DO i = nxlu, nxr
	1393	DO j = nys, nyn
	1394	DO k = dp_level_ind_b+1, nzt
	1395	tend(k,j,i) = tend(k,j,i) - dpdxy(1) * dp_smooth_factor(k)
	1396	ENDDO
	1397	ENDDO
	1398	ENDDO
	1399	ENDIF
	1400
	1401	!
	1402	!-- Nudging
	1403	IF ( nudging ) CALL nudge( simulated_time, 'u' )
	1404
[1914]	1405	!
	1406	!-- Forces by wind turbines
	1407	IF ( wind_turbine ) CALL wtm_tendencies( 1 )
	1408
[1875]	1409	CALL user_actions( 'u-tendency' )
	1410
	1411	!
	1412	!-- Prognostic equation for u-velocity component
	1413	DO i = nxlu, nxr
	1414	DO j = nys, nyn
[2232]	1415	DO k = nzb+1, nzt
	1416	u_p(k,j,i) = u(k,j,i) + ( dt_3d * ( tsc(2) * tend(k,j,i) + &
	1417	tsc(3) * tu_m(k,j,i) ) &
	1418	- tsc(5) * rdf(k) * &
	1419	( u(k,j,i) - u_init(k) ) &
	1420	) * MERGE( 1.0_wp, 0.0_wp, &
	1421	BTEST( wall_flags_0(k,j,i), 1 ) &
	1422	)
[1875]	1423	ENDDO
	1424	ENDDO
	1425	ENDDO
	1426
	1427	!
	1428	!-- Calculate tendencies for the next Runge-Kutta step
	1429	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1430	IF ( intermediate_timestep_count == 1 ) THEN
	1431	DO i = nxlu, nxr
	1432	DO j = nys, nyn
[2232]	1433	DO k = nzb+1, nzt
[1875]	1434	tu_m(k,j,i) = tend(k,j,i)
	1435	ENDDO
	1436	ENDDO
	1437	ENDDO
	1438	ELSEIF ( intermediate_timestep_count < &
	1439	intermediate_timestep_count_max ) THEN
	1440	DO i = nxlu, nxr
	1441	DO j = nys, nyn
[2232]	1442	DO k = nzb+1, nzt
	1443	tu_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
	1444	+ 5.3125_wp * tu_m(k,j,i)
[1875]	1445	ENDDO
	1446	ENDDO
	1447	ENDDO
	1448	ENDIF
	1449	ENDIF
	1450
	1451	CALL cpu_log( log_point(5), 'u-equation', 'stop' )
	1452
	1453	!
	1454	!-- v-velocity component
	1455	CALL cpu_log( log_point(6), 'v-equation', 'start' )
	1456
	1457	tend = 0.0_wp
	1458	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1459	IF ( ws_scheme_mom ) THEN
	1460	CALL advec_v_ws
[2155]	1461	ELSE
[1875]	1462	CALL advec_v_pw
	1463	END IF
	1464	ELSE
	1465	CALL advec_v_up
	1466	ENDIF
	1467	CALL diffusion_v
	1468	CALL coriolis( 2 )
	1469
	1470	!
	1471	!-- Drag by plant canopy
	1472	IF ( plant_canopy ) CALL pcm_tendency( 2 )
	1473
	1474	!
	1475	!-- External pressure gradient
	1476	IF ( dp_external ) THEN
	1477	DO i = nxl, nxr
	1478	DO j = nysv, nyn
	1479	DO k = dp_level_ind_b+1, nzt
	1480	tend(k,j,i) = tend(k,j,i) - dpdxy(2) * dp_smooth_factor(k)
	1481	ENDDO
	1482	ENDDO
	1483	ENDDO
	1484	ENDIF
	1485
	1486	!
	1487	!-- Nudging
	1488	IF ( nudging ) CALL nudge( simulated_time, 'v' )
	1489
[1914]	1490	!
	1491	!-- Forces by wind turbines
	1492	IF ( wind_turbine ) CALL wtm_tendencies( 2 )
	1493
[1875]	1494	CALL user_actions( 'v-tendency' )
	1495
	1496	!
	1497	!-- Prognostic equation for v-velocity component
	1498	DO i = nxl, nxr
	1499	DO j = nysv, nyn
[2232]	1500	DO k = nzb+1, nzt
	1501	v_p(k,j,i) = v(k,j,i) + ( dt_3d * ( tsc(2) * tend(k,j,i) + &
	1502	tsc(3) * tv_m(k,j,i) ) &
	1503	- tsc(5) * rdf(k) * &
	1504	( v(k,j,i) - v_init(k) ) &
	1505	) * MERGE( 1.0_wp, 0.0_wp, &
	1506	BTEST( wall_flags_0(k,j,i), 2 )&
	1507	)
[1875]	1508	ENDDO
	1509	ENDDO
	1510	ENDDO
	1511
	1512	!
	1513	!-- Calculate tendencies for the next Runge-Kutta step
	1514	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1515	IF ( intermediate_timestep_count == 1 ) THEN
	1516	DO i = nxl, nxr
	1517	DO j = nysv, nyn
[2232]	1518	DO k = nzb+1, nzt
[1875]	1519	tv_m(k,j,i) = tend(k,j,i)
	1520	ENDDO
	1521	ENDDO
	1522	ENDDO
	1523	ELSEIF ( intermediate_timestep_count < &
	1524	intermediate_timestep_count_max ) THEN
	1525	DO i = nxl, nxr
	1526	DO j = nysv, nyn
[2232]	1527	DO k = nzb+1, nzt
	1528	tv_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
	1529	+ 5.3125_wp * tv_m(k,j,i)
[1875]	1530	ENDDO
	1531	ENDDO
	1532	ENDDO
	1533	ENDIF
	1534	ENDIF
	1535
	1536	CALL cpu_log( log_point(6), 'v-equation', 'stop' )
	1537
	1538	!
	1539	!-- w-velocity component
	1540	CALL cpu_log( log_point(7), 'w-equation', 'start' )
	1541
	1542	tend = 0.0_wp
	1543	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1544	IF ( ws_scheme_mom ) THEN
	1545	CALL advec_w_ws
	1546	ELSE
	1547	CALL advec_w_pw
	1548	ENDIF
	1549	ELSE
	1550	CALL advec_w_up
	1551	ENDIF
	1552	CALL diffusion_w
	1553	CALL coriolis( 3 )
	1554
	1555	IF ( .NOT. neutral ) THEN
	1556	IF ( ocean ) THEN
[2031]	1557	CALL buoyancy( rho_ocean, 3 )
[1875]	1558	ELSE
	1559	IF ( .NOT. humidity ) THEN
	1560	CALL buoyancy( pt, 3 )
	1561	ELSE
	1562	CALL buoyancy( vpt, 3 )
	1563	ENDIF
	1564	ENDIF
	1565	ENDIF
	1566
	1567	!
	1568	!-- Drag by plant canopy
	1569	IF ( plant_canopy ) CALL pcm_tendency( 3 )
	1570
[1914]	1571	!
	1572	!-- Forces by wind turbines
	1573	IF ( wind_turbine ) CALL wtm_tendencies( 3 )
	1574
[1875]	1575	CALL user_actions( 'w-tendency' )
	1576
	1577	!
	1578	!-- Prognostic equation for w-velocity component
	1579	DO i = nxl, nxr
	1580	DO j = nys, nyn
[2232]	1581	DO k = nzb+1, nzt-1
	1582	w_p(k,j,i) = w(k,j,i) + ( dt_3d * ( tsc(2) * tend(k,j,i) + &
	1583	tsc(3) * tw_m(k,j,i) ) &
	1584	- tsc(5) * rdf(k) * w(k,j,i) &
	1585	) * MERGE( 1.0_wp, 0.0_wp, &
	1586	BTEST( wall_flags_0(k,j,i), 3 )&
	1587	)
[1875]	1588	ENDDO
	1589	ENDDO
	1590	ENDDO
	1591
	1592	!
	1593	!-- Calculate tendencies for the next Runge-Kutta step
	1594	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1595	IF ( intermediate_timestep_count == 1 ) THEN
	1596	DO i = nxl, nxr
	1597	DO j = nys, nyn
[2232]	1598	DO k = nzb+1, nzt-1
[1875]	1599	tw_m(k,j,i) = tend(k,j,i)
	1600	ENDDO
	1601	ENDDO
	1602	ENDDO
	1603	ELSEIF ( intermediate_timestep_count < &
	1604	intermediate_timestep_count_max ) THEN
	1605	DO i = nxl, nxr
	1606	DO j = nys, nyn
[2232]	1607	DO k = nzb+1, nzt-1
	1608	tw_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
	1609	+ 5.3125_wp * tw_m(k,j,i)
[1875]	1610	ENDDO
	1611	ENDDO
	1612	ENDDO
	1613	ENDIF
	1614	ENDIF
	1615
	1616	CALL cpu_log( log_point(7), 'w-equation', 'stop' )
	1617
	1618
	1619	!
	1620	!-- If required, compute prognostic equation for potential temperature
	1621	IF ( .NOT. neutral ) THEN
	1622
	1623	CALL cpu_log( log_point(13), 'pt-equation', 'start' )
	1624
	1625	!
	1626	!-- pt-tendency terms with communication
	1627	sbt = tsc(2)
	1628	IF ( scalar_advec == 'bc-scheme' ) THEN
	1629
	1630	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	1631	!
	1632	!-- Bott-Chlond scheme always uses Euler time step. Thus:
	1633	sbt = 1.0_wp
	1634	ENDIF
	1635	tend = 0.0_wp
	1636	CALL advec_s_bc( pt, 'pt' )
	1637
	1638	ENDIF
	1639
	1640	!
	1641	!-- pt-tendency terms with no communication
	1642	IF ( scalar_advec /= 'bc-scheme' ) THEN
	1643	tend = 0.0_wp
	1644	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1645	IF ( ws_scheme_sca ) THEN
	1646	CALL advec_s_ws( pt, 'pt' )
	1647	ELSE
	1648	CALL advec_s_pw( pt )
	1649	ENDIF
	1650	ELSE
	1651	CALL advec_s_up( pt )
	1652	ENDIF
	1653	ENDIF
	1654
[2232]	1655	CALL diffusion_s( pt, &
	1656	surf_def_h(0)%shf, surf_def_h(1)%shf, &
	1657	surf_def_h(2)%shf, &
	1658	surf_lsm_h%shf, surf_usm_h%shf, &
	1659	surf_def_v(0)%shf, surf_def_v(1)%shf, &
	1660	surf_def_v(2)%shf, surf_def_v(3)%shf, &
	1661	surf_lsm_v(0)%shf, surf_lsm_v(1)%shf, &
	1662	surf_lsm_v(2)%shf, surf_lsm_v(3)%shf, &
	1663	surf_usm_v(0)%shf, surf_usm_v(1)%shf, &
	1664	surf_usm_v(2)%shf, surf_usm_v(3)%shf )
[1875]	1665	!
	1666	!-- If required compute heating/cooling due to long wave radiation processes
	1667	IF ( cloud_top_radiation ) THEN
	1668	CALL calc_radiation
	1669	ENDIF
	1670
	1671	!
	1672	!-- Consideration of heat sources within the plant canopy
	1673	IF ( plant_canopy .AND. ( cthf /= 0.0_wp ) ) THEN
	1674	CALL pcm_tendency( 4 )
	1675	ENDIF
	1676
	1677	!
	1678	!-- Large scale advection
	1679	IF ( large_scale_forcing ) THEN
	1680	CALL ls_advec( simulated_time, 'pt' )
	1681	ENDIF
	1682
	1683	!
	1684	!-- Nudging
[2155]	1685	IF ( nudging ) CALL nudge( simulated_time, 'pt' )
[1875]	1686
	1687	!
	1688	!-- If required compute influence of large-scale subsidence/ascent
	1689	IF ( large_scale_subsidence .AND. &
	1690	.NOT. use_subsidence_tendencies ) THEN
	1691	CALL subsidence( tend, pt, pt_init, 2 )
	1692	ENDIF
	1693
	1694	!
	1695	!-- If required, add tendency due to radiative heating/cooling
[1976]	1696	IF ( radiation .AND. &
[1875]	1697	simulated_time > skip_time_do_radiation ) THEN
	1698	CALL radiation_tendency ( tend )
	1699	ENDIF
	1700
	1701	CALL user_actions( 'pt-tendency' )
	1702
	1703	!
	1704	!-- Prognostic equation for potential temperature
	1705	DO i = nxl, nxr
	1706	DO j = nys, nyn
[2232]	1707	DO k = nzb+1, nzt
	1708	pt_p(k,j,i) = pt(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
	1709	tsc(3) * tpt_m(k,j,i) ) &
	1710	- tsc(5) * &
	1711	( pt(k,j,i) - pt_init(k) ) *&
	1712	( rdf_sc(k) + ptdf_x(i) + ptdf_y(j) )&
	1713	) &
	1714	* MERGE( 1.0_wp, 0.0_wp, &
	1715	BTEST( wall_flags_0(k,j,i), 0 ) &
	1716	)
[1875]	1717	ENDDO
	1718	ENDDO
	1719	ENDDO
	1720
	1721	!
	1722	!-- Calculate tendencies for the next Runge-Kutta step
	1723	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1724	IF ( intermediate_timestep_count == 1 ) THEN
	1725	DO i = nxl, nxr
	1726	DO j = nys, nyn
[2232]	1727	DO k = nzb+1, nzt
[1875]	1728	tpt_m(k,j,i) = tend(k,j,i)
	1729	ENDDO
	1730	ENDDO
	1731	ENDDO
	1732	ELSEIF ( intermediate_timestep_count < &
	1733	intermediate_timestep_count_max ) THEN
	1734	DO i = nxl, nxr
	1735	DO j = nys, nyn
[2232]	1736	DO k = nzb+1, nzt
	1737	tpt_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
	1738	5.3125_wp * tpt_m(k,j,i)
[1875]	1739	ENDDO
	1740	ENDDO
	1741	ENDDO
	1742	ENDIF
	1743	ENDIF
	1744
	1745	CALL cpu_log( log_point(13), 'pt-equation', 'stop' )
	1746
	1747	ENDIF
	1748
	1749	!
	1750	!-- If required, compute prognostic equation for salinity
	1751	IF ( ocean ) THEN
	1752
	1753	CALL cpu_log( log_point(37), 'sa-equation', 'start' )
	1754
	1755	!
	1756	!-- sa-tendency terms with communication
	1757	sbt = tsc(2)
	1758	IF ( scalar_advec == 'bc-scheme' ) THEN
	1759
	1760	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	1761	!
	1762	!-- Bott-Chlond scheme always uses Euler time step. Thus:
	1763	sbt = 1.0_wp
	1764	ENDIF
	1765	tend = 0.0_wp
	1766	CALL advec_s_bc( sa, 'sa' )
	1767
	1768	ENDIF
	1769
	1770	!
	1771	!-- sa-tendency terms with no communication
	1772	IF ( scalar_advec /= 'bc-scheme' ) THEN
	1773	tend = 0.0_wp
	1774	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1775	IF ( ws_scheme_sca ) THEN
	1776	CALL advec_s_ws( sa, 'sa' )
	1777	ELSE
	1778	CALL advec_s_pw( sa )
	1779	ENDIF
	1780	ELSE
	1781	CALL advec_s_up( sa )
	1782	ENDIF
	1783	ENDIF
	1784
[2232]	1785	CALL diffusion_s( sa, &
	1786	surf_def_h(0)%sasws, surf_def_h(1)%sasws, &
	1787	surf_def_h(2)%sasws, &
	1788	surf_lsm_h%sasws, surf_usm_h%sasws, &
	1789	surf_def_v(0)%sasws, surf_def_v(1)%sasws, &
	1790	surf_def_v(2)%sasws, surf_def_v(3)%sasws, &
	1791	surf_lsm_v(0)%sasws, surf_lsm_v(1)%sasws, &
	1792	surf_lsm_v(2)%sasws, surf_lsm_v(3)%sasws, &
	1793	surf_usm_v(0)%sasws, surf_usm_v(1)%sasws, &
	1794	surf_usm_v(2)%sasws, surf_usm_v(3)%sasws )
[2155]	1795
[1875]	1796	CALL user_actions( 'sa-tendency' )
	1797
	1798	!
	1799	!-- Prognostic equation for salinity
	1800	DO i = nxl, nxr
	1801	DO j = nys, nyn
[2232]	1802	DO k = nzb+1, nzt
	1803	sa_p(k,j,i) = sa(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
	1804	tsc(3) * tsa_m(k,j,i) ) &
	1805	- tsc(5) * rdf_sc(k) * &
	1806	( sa(k,j,i) - sa_init(k) ) &
	1807	) &
	1808	* MERGE( 1.0_wp, 0.0_wp, &
	1809	BTEST( wall_flags_0(k,j,i), 0 ) &
	1810	)
[1875]	1811	IF ( sa_p(k,j,i) < 0.0_wp ) sa_p(k,j,i) = 0.1_wp * sa(k,j,i)
	1812	ENDDO
	1813	ENDDO
	1814	ENDDO
	1815
	1816	!
	1817	!-- Calculate tendencies for the next Runge-Kutta step
	1818	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1819	IF ( intermediate_timestep_count == 1 ) THEN
	1820	DO i = nxl, nxr
	1821	DO j = nys, nyn
[2232]	1822	DO k = nzb+1, nzt
[1875]	1823	tsa_m(k,j,i) = tend(k,j,i)
	1824	ENDDO
	1825	ENDDO
	1826	ENDDO
	1827	ELSEIF ( intermediate_timestep_count < &
	1828	intermediate_timestep_count_max ) THEN
	1829	DO i = nxl, nxr
	1830	DO j = nys, nyn
[2232]	1831	DO k = nzb+1, nzt
	1832	tsa_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
	1833	5.3125_wp * tsa_m(k,j,i)
[1875]	1834	ENDDO
	1835	ENDDO
	1836	ENDDO
	1837	ENDIF
	1838	ENDIF
	1839
	1840	CALL cpu_log( log_point(37), 'sa-equation', 'stop' )
	1841
	1842	!
	1843	!-- Calculate density by the equation of state for seawater
	1844	CALL cpu_log( log_point(38), 'eqns-seawater', 'start' )
	1845	CALL eqn_state_seawater
	1846	CALL cpu_log( log_point(38), 'eqns-seawater', 'stop' )
	1847
	1848	ENDIF
	1849
	1850	!
[1960]	1851	!-- If required, compute prognostic equation for total water content
	1852	IF ( humidity ) THEN
[1875]	1853
[1960]	1854	CALL cpu_log( log_point(29), 'q-equation', 'start' )
[1875]	1855
	1856	!
	1857	!-- Scalar/q-tendency terms with communication
	1858	sbt = tsc(2)
	1859	IF ( scalar_advec == 'bc-scheme' ) THEN
	1860
	1861	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	1862	!
	1863	!-- Bott-Chlond scheme always uses Euler time step. Thus:
	1864	sbt = 1.0_wp
	1865	ENDIF
	1866	tend = 0.0_wp
	1867	CALL advec_s_bc( q, 'q' )
	1868
	1869	ENDIF
	1870
	1871	!
	1872	!-- Scalar/q-tendency terms with no communication
	1873	IF ( scalar_advec /= 'bc-scheme' ) THEN
	1874	tend = 0.0_wp
	1875	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1876	IF ( ws_scheme_sca ) THEN
	1877	CALL advec_s_ws( q, 'q' )
	1878	ELSE
	1879	CALL advec_s_pw( q )
	1880	ENDIF
	1881	ELSE
	1882	CALL advec_s_up( q )
	1883	ENDIF
	1884	ENDIF
	1885
[2232]	1886	CALL diffusion_s( q, &
	1887	surf_def_h(0)%qsws, surf_def_h(1)%qsws, &
	1888	surf_def_h(2)%qsws, &
	1889	surf_lsm_h%qsws, surf_usm_h%qsws, &
	1890	surf_def_v(0)%qsws, surf_def_v(1)%qsws, &
	1891	surf_def_v(2)%qsws, surf_def_v(3)%qsws, &
	1892	surf_lsm_v(0)%qsws, surf_lsm_v(1)%qsws, &
	1893	surf_lsm_v(2)%qsws, surf_lsm_v(3)%qsws, &
	1894	surf_usm_v(0)%qsws, surf_usm_v(1)%qsws, &
	1895	surf_usm_v(2)%qsws, surf_usm_v(3)%qsws )
[2155]	1896
[1875]	1897	!
[1960]	1898	!-- Sink or source of humidity due to canopy elements
[1875]	1899	IF ( plant_canopy ) CALL pcm_tendency( 5 )
	1900
	1901	!
	1902	!-- Large scale advection
	1903	IF ( large_scale_forcing ) THEN
	1904	CALL ls_advec( simulated_time, 'q' )
	1905	ENDIF
	1906
	1907	!
	1908	!-- Nudging
[2155]	1909	IF ( nudging ) CALL nudge( simulated_time, 'q' )
[1875]	1910
	1911	!
	1912	!-- If required compute influence of large-scale subsidence/ascent
	1913	IF ( large_scale_subsidence .AND. &
	1914	.NOT. use_subsidence_tendencies ) THEN
	1915	CALL subsidence( tend, q, q_init, 3 )
	1916	ENDIF
	1917
	1918	CALL user_actions( 'q-tendency' )
	1919
	1920	!
[1960]	1921	!-- Prognostic equation for total water content
[1875]	1922	DO i = nxl, nxr
	1923	DO j = nys, nyn
[2232]	1924	DO k = nzb+1, nzt
	1925	q_p(k,j,i) = q(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
	1926	tsc(3) * tq_m(k,j,i) ) &
	1927	- tsc(5) * rdf_sc(k) * &
	1928	( q(k,j,i) - q_init(k) ) &
	1929	) * MERGE( 1.0_wp, 0.0_wp, &
	1930	BTEST( wall_flags_0(k,j,i), 0 ) &
	1931	)
[1875]	1932	IF ( q_p(k,j,i) < 0.0_wp ) q_p(k,j,i) = 0.1_wp * q(k,j,i)
	1933	ENDDO
	1934	ENDDO
	1935	ENDDO
	1936
	1937	!
	1938	!-- Calculate tendencies for the next Runge-Kutta step
	1939	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1940	IF ( intermediate_timestep_count == 1 ) THEN
	1941	DO i = nxl, nxr
	1942	DO j = nys, nyn
[2232]	1943	DO k = nzb+1, nzt
[1875]	1944	tq_m(k,j,i) = tend(k,j,i)
	1945	ENDDO
	1946	ENDDO
	1947	ENDDO
	1948	ELSEIF ( intermediate_timestep_count < &
	1949	intermediate_timestep_count_max ) THEN
	1950	DO i = nxl, nxr
	1951	DO j = nys, nyn
[2232]	1952	DO k = nzb+1, nzt
	1953	tq_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
	1954	+ 5.3125_wp * tq_m(k,j,i)
[1875]	1955	ENDDO
	1956	ENDDO
	1957	ENDDO
	1958	ENDIF
	1959	ENDIF
	1960
[1960]	1961	CALL cpu_log( log_point(29), 'q-equation', 'stop' )
[1875]	1962
	1963	!
[2292]	1964	!-- If required, calculate prognostic equations for cloud water content
	1965	!-- and cloud drop concentration
	1966	IF ( cloud_physics .AND. microphysics_morrison ) THEN
	1967
	1968	CALL cpu_log( log_point(67), 'qc-equation', 'start' )
	1969
	1970	!
	1971	!-- Calculate prognostic equation for cloud water content
	1972	sbt = tsc(2)
	1973	IF ( scalar_advec == 'bc-scheme' ) THEN
	1974
	1975	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	1976	!
	1977	!-- Bott-Chlond scheme always uses Euler time step. Thus:
	1978	sbt = 1.0_wp
	1979	ENDIF
	1980	tend = 0.0_wp
	1981	CALL advec_s_bc( qc, 'qc' )
	1982
	1983	ENDIF
	1984
	1985	!
	1986	!-- qc-tendency terms with no communication
	1987	IF ( scalar_advec /= 'bc-scheme' ) THEN
	1988	tend = 0.0_wp
	1989	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1990	IF ( ws_scheme_sca ) THEN
	1991	CALL advec_s_ws( qc, 'qc' )
	1992	ELSE
	1993	CALL advec_s_pw( qc )
	1994	ENDIF
	1995	ELSE
	1996	CALL advec_s_up( qc )
	1997	ENDIF
	1998	ENDIF
	1999
	2000	CALL diffusion_s( qc, &
	2001	surf_def_h(0)%qcsws, surf_def_h(1)%qcsws, &
	2002	surf_def_h(2)%qcsws, &
	2003	surf_lsm_h%qcsws, surf_usm_h%qcsws, &
	2004	surf_def_v(0)%qcsws, surf_def_v(1)%qcsws, &
	2005	surf_def_v(2)%qcsws, surf_def_v(3)%qcsws, &
	2006	surf_lsm_v(0)%qcsws, surf_lsm_v(1)%qcsws, &
	2007	surf_lsm_v(2)%qcsws, surf_lsm_v(3)%qcsws, &
	2008	surf_usm_v(0)%qcsws, surf_usm_v(1)%qcsws, &
	2009	surf_usm_v(2)%qcsws, surf_usm_v(3)%qcsws )
	2010
	2011	!
	2012	!-- Prognostic equation for cloud water content
	2013	DO i = nxl, nxr
	2014	DO j = nys, nyn
	2015	DO k = nzb+1, nzt
	2016	qc_p(k,j,i) = qc(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
	2017	tsc(3) * tqc_m(k,j,i) ) &
	2018	- tsc(5) * rdf_sc(k) * &
	2019	qc(k,j,i) &
	2020	) &
	2021	* MERGE( 1.0_wp, 0.0_wp, &
	2022	BTEST( wall_flags_0(k,j,i), 0 ) &
	2023	)
	2024	IF ( qc_p(k,j,i) < 0.0_wp ) qc_p(k,j,i) = 0.0_wp
	2025	ENDDO
	2026	ENDDO
	2027	ENDDO
	2028
	2029	!
	2030	!-- Calculate tendencies for the next Runge-Kutta step
	2031	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	2032	IF ( intermediate_timestep_count == 1 ) THEN
	2033	DO i = nxl, nxr
	2034	DO j = nys, nyn
	2035	DO k = nzb+1, nzt
	2036	tqc_m(k,j,i) = tend(k,j,i)
	2037	ENDDO
	2038	ENDDO
	2039	ENDDO
	2040	ELSEIF ( intermediate_timestep_count < &
	2041	intermediate_timestep_count_max ) THEN
	2042	DO i = nxl, nxr
	2043	DO j = nys, nyn
	2044	DO k = nzb+1, nzt
	2045	tqc_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
	2046	+ 5.3125_wp * tqc_m(k,j,i)
	2047	ENDDO
	2048	ENDDO
	2049	ENDDO
	2050	ENDIF
	2051	ENDIF
	2052
	2053	CALL cpu_log( log_point(67), 'qc-equation', 'stop' )
	2054	CALL cpu_log( log_point(68), 'nc-equation', 'start' )
	2055
	2056	!
	2057	!-- Calculate prognostic equation for cloud drop concentration
	2058	sbt = tsc(2)
	2059	IF ( scalar_advec == 'bc-scheme' ) THEN
	2060
	2061	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	2062	!
	2063	!-- Bott-Chlond scheme always uses Euler time step. Thus:
	2064	sbt = 1.0_wp
	2065	ENDIF
	2066	tend = 0.0_wp
	2067	CALL advec_s_bc( nc, 'nc' )
	2068
	2069	ENDIF
	2070
	2071	!
	2072	!-- nc-tendency terms with no communication
	2073	IF ( scalar_advec /= 'bc-scheme' ) THEN
	2074	tend = 0.0_wp
	2075	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	2076	IF ( ws_scheme_sca ) THEN
	2077	CALL advec_s_ws( nc, 'nc' )
	2078	ELSE
	2079	CALL advec_s_pw( nc )
	2080	ENDIF
	2081	ELSE
	2082	CALL advec_s_up( nc )
	2083	ENDIF
	2084	ENDIF
	2085
	2086	CALL diffusion_s( nc, &
	2087	surf_def_h(0)%ncsws, surf_def_h(1)%ncsws, &
	2088	surf_def_h(2)%ncsws, &
	2089	surf_lsm_h%ncsws, surf_usm_h%ncsws, &
	2090	surf_def_v(0)%ncsws, surf_def_v(1)%ncsws, &
	2091	surf_def_v(2)%ncsws, surf_def_v(3)%ncsws, &
	2092	surf_lsm_v(0)%ncsws, surf_lsm_v(1)%ncsws, &
	2093	surf_lsm_v(2)%ncsws, surf_lsm_v(3)%ncsws, &
	2094	surf_usm_v(0)%ncsws, surf_usm_v(1)%ncsws, &
	2095	surf_usm_v(2)%ncsws, surf_usm_v(3)%ncsws )
	2096
	2097	!
	2098	!-- Prognostic equation for cloud drop concentration
	2099	DO i = nxl, nxr
	2100	DO j = nys, nyn
	2101	DO k = nzb+1, nzt
	2102	nc_p(k,j,i) = nc(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
	2103	tsc(3) * tnc_m(k,j,i) ) &
	2104	- tsc(5) * rdf_sc(k) * &
	2105	nc(k,j,i) &
	2106	) &
	2107	* MERGE( 1.0_wp, 0.0_wp, &
	2108	BTEST( wall_flags_0(k,j,i), 0 ) &
	2109	)
	2110	IF ( nc_p(k,j,i) < 0.0_wp ) nc_p(k,j,i) = 0.0_wp
	2111	ENDDO
	2112	ENDDO
	2113	ENDDO
	2114
	2115	!
	2116	!-- Calculate tendencies for the next Runge-Kutta step
	2117	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	2118	IF ( intermediate_timestep_count == 1 ) THEN
	2119	DO i = nxl, nxr
	2120	DO j = nys, nyn
	2121	DO k = nzb+1, nzt
	2122	tnc_m(k,j,i) = tend(k,j,i)
	2123	ENDDO
	2124	ENDDO
	2125	ENDDO
	2126	ELSEIF ( intermediate_timestep_count < &
	2127	intermediate_timestep_count_max ) THEN
	2128	DO i = nxl, nxr
	2129	DO j = nys, nyn
	2130	DO k = nzb+1, nzt
	2131	tnc_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
	2132	+ 5.3125_wp * tnc_m(k,j,i)
	2133	ENDDO
	2134	ENDDO
	2135	ENDDO
	2136	ENDIF
	2137	ENDIF
	2138
	2139	CALL cpu_log( log_point(68), 'nc-equation', 'stop' )
	2140
	2141	ENDIF
	2142	!
[2155]	2143	!-- If required, calculate prognostic equations for rain water content
[1875]	2144	!-- and rain drop concentration
	2145	IF ( cloud_physics .AND. microphysics_seifert ) THEN
	2146
	2147	CALL cpu_log( log_point(52), 'qr-equation', 'start' )
	2148
	2149	!
	2150	!-- Calculate prognostic equation for rain water content
	2151	sbt = tsc(2)
	2152	IF ( scalar_advec == 'bc-scheme' ) THEN
	2153
	2154	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	2155	!
	2156	!-- Bott-Chlond scheme always uses Euler time step. Thus:
	2157	sbt = 1.0_wp
	2158	ENDIF
	2159	tend = 0.0_wp
	2160	CALL advec_s_bc( qr, 'qr' )
	2161
	2162	ENDIF
	2163
	2164	!
	2165	!-- qr-tendency terms with no communication
	2166	IF ( scalar_advec /= 'bc-scheme' ) THEN
	2167	tend = 0.0_wp
	2168	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	2169	IF ( ws_scheme_sca ) THEN
	2170	CALL advec_s_ws( qr, 'qr' )
	2171	ELSE
	2172	CALL advec_s_pw( qr )
	2173	ENDIF
	2174	ELSE
	2175	CALL advec_s_up( qr )
	2176	ENDIF
	2177	ENDIF
	2178
[2232]	2179	CALL diffusion_s( qr, &
	2180	surf_def_h(0)%qrsws, surf_def_h(1)%qrsws, &
	2181	surf_def_h(2)%qrsws, &
	2182	surf_lsm_h%qrsws, surf_usm_h%qrsws, &
	2183	surf_def_v(0)%qrsws, surf_def_v(1)%qrsws, &
	2184	surf_def_v(2)%qrsws, surf_def_v(3)%qrsws, &
	2185	surf_lsm_v(0)%qrsws, surf_lsm_v(1)%qrsws, &
	2186	surf_lsm_v(2)%qrsws, surf_lsm_v(3)%qrsws, &
	2187	surf_usm_v(0)%qrsws, surf_usm_v(1)%qrsws, &
	2188	surf_usm_v(2)%qrsws, surf_usm_v(3)%qrsws )
[1875]	2189
	2190	!
	2191	!-- Prognostic equation for rain water content
	2192	DO i = nxl, nxr
	2193	DO j = nys, nyn
[2232]	2194	DO k = nzb+1, nzt
	2195	qr_p(k,j,i) = qr(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
	2196	tsc(3) * tqr_m(k,j,i) ) &
	2197	- tsc(5) * rdf_sc(k) * &
	2198	qr(k,j,i) &
	2199	) &
	2200	* MERGE( 1.0_wp, 0.0_wp, &
	2201	BTEST( wall_flags_0(k,j,i), 0 ) &
	2202	)
[1875]	2203	IF ( qr_p(k,j,i) < 0.0_wp ) qr_p(k,j,i) = 0.0_wp
	2204	ENDDO
	2205	ENDDO
	2206	ENDDO
	2207
	2208	!
	2209	!-- Calculate tendencies for the next Runge-Kutta step
	2210	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	2211	IF ( intermediate_timestep_count == 1 ) THEN
	2212	DO i = nxl, nxr
	2213	DO j = nys, nyn
[2232]	2214	DO k = nzb+1, nzt
[1875]	2215	tqr_m(k,j,i) = tend(k,j,i)
	2216	ENDDO
	2217	ENDDO
	2218	ENDDO
	2219	ELSEIF ( intermediate_timestep_count < &
	2220	intermediate_timestep_count_max ) THEN
	2221	DO i = nxl, nxr
	2222	DO j = nys, nyn
[2232]	2223	DO k = nzb+1, nzt
	2224	tqr_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
	2225	+ 5.3125_wp * tqr_m(k,j,i)
[1875]	2226	ENDDO
	2227	ENDDO
	2228	ENDDO
	2229	ENDIF
	2230	ENDIF
	2231
	2232	CALL cpu_log( log_point(52), 'qr-equation', 'stop' )
	2233	CALL cpu_log( log_point(53), 'nr-equation', 'start' )
	2234
	2235	!
	2236	!-- Calculate prognostic equation for rain drop concentration
	2237	sbt = tsc(2)
	2238	IF ( scalar_advec == 'bc-scheme' ) THEN
	2239
	2240	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	2241	!
	2242	!-- Bott-Chlond scheme always uses Euler time step. Thus:
	2243	sbt = 1.0_wp
	2244	ENDIF
	2245	tend = 0.0_wp
	2246	CALL advec_s_bc( nr, 'nr' )
	2247
	2248	ENDIF
	2249
	2250	!
	2251	!-- nr-tendency terms with no communication
	2252	IF ( scalar_advec /= 'bc-scheme' ) THEN
	2253	tend = 0.0_wp
	2254	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	2255	IF ( ws_scheme_sca ) THEN
	2256	CALL advec_s_ws( nr, 'nr' )
	2257	ELSE
	2258	CALL advec_s_pw( nr )
	2259	ENDIF
	2260	ELSE
	2261	CALL advec_s_up( nr )
	2262	ENDIF
	2263	ENDIF
	2264
[2232]	2265	CALL diffusion_s( nr, &
	2266	surf_def_h(0)%nrsws, surf_def_h(1)%nrsws, &
	2267	surf_def_h(2)%nrsws, &
	2268	surf_lsm_h%nrsws, surf_usm_h%nrsws, &
	2269	surf_def_v(0)%nrsws, surf_def_v(1)%nrsws, &
	2270	surf_def_v(2)%nrsws, surf_def_v(3)%nrsws, &
	2271	surf_lsm_v(0)%nrsws, surf_lsm_v(1)%nrsws, &
	2272	surf_lsm_v(2)%nrsws, surf_lsm_v(3)%nrsws, &
	2273	surf_usm_v(0)%nrsws, surf_usm_v(1)%nrsws, &
	2274	surf_usm_v(2)%nrsws, surf_usm_v(3)%nrsws )
[1875]	2275
	2276	!
	2277	!-- Prognostic equation for rain drop concentration
	2278	DO i = nxl, nxr
	2279	DO j = nys, nyn
[2232]	2280	DO k = nzb+1, nzt
	2281	nr_p(k,j,i) = nr(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
	2282	tsc(3) * tnr_m(k,j,i) ) &
	2283	- tsc(5) * rdf_sc(k) * &
	2284	nr(k,j,i) &
	2285	) &
	2286	* MERGE( 1.0_wp, 0.0_wp, &
	2287	BTEST( wall_flags_0(k,j,i), 0 ) &
	2288	)
[1875]	2289	IF ( nr_p(k,j,i) < 0.0_wp ) nr_p(k,j,i) = 0.0_wp
	2290	ENDDO
	2291	ENDDO
	2292	ENDDO
	2293
	2294	!
	2295	!-- Calculate tendencies for the next Runge-Kutta step
	2296	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	2297	IF ( intermediate_timestep_count == 1 ) THEN
	2298	DO i = nxl, nxr
	2299	DO j = nys, nyn
[2232]	2300	DO k = nzb+1, nzt
[1875]	2301	tnr_m(k,j,i) = tend(k,j,i)
	2302	ENDDO
	2303	ENDDO
	2304	ENDDO
	2305	ELSEIF ( intermediate_timestep_count < &
	2306	intermediate_timestep_count_max ) THEN
	2307	DO i = nxl, nxr
	2308	DO j = nys, nyn
[2232]	2309	DO k = nzb+1, nzt
	2310	tnr_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
	2311	+ 5.3125_wp * tnr_m(k,j,i)
[1875]	2312	ENDDO
	2313	ENDDO
	2314	ENDDO
	2315	ENDIF
	2316	ENDIF
	2317
	2318	CALL cpu_log( log_point(53), 'nr-equation', 'stop' )
	2319
	2320	ENDIF
	2321
	2322	ENDIF
[1960]	2323	!
	2324	!-- If required, compute prognostic equation for scalar
	2325	IF ( passive_scalar ) THEN
[1875]	2326
[1960]	2327	CALL cpu_log( log_point(66), 's-equation', 'start' )
	2328
[1875]	2329	!
[1960]	2330	!-- Scalar/q-tendency terms with communication
	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( s, 's' )
	2341
	2342	ENDIF
	2343
	2344	!
	2345	!-- Scalar/q-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( s, 's' )
	2351	ELSE
	2352	CALL advec_s_pw( s )
	2353	ENDIF
	2354	ELSE
	2355	CALL advec_s_up( s )
	2356	ENDIF
	2357	ENDIF
	2358
[2232]	2359	CALL diffusion_s( s, &
	2360	surf_def_h(0)%ssws, surf_def_h(1)%ssws, &
	2361	surf_def_h(2)%ssws, &
	2362	surf_lsm_h%ssws, surf_usm_h%ssws, &
	2363	surf_def_v(0)%ssws, surf_def_v(1)%ssws, &
	2364	surf_def_v(2)%ssws, surf_def_v(3)%ssws, &
	2365	surf_lsm_v(0)%ssws, surf_lsm_v(1)%ssws, &
	2366	surf_lsm_v(2)%ssws, surf_lsm_v(3)%ssws, &
	2367	surf_usm_v(0)%ssws, surf_usm_v(1)%ssws, &
	2368	surf_usm_v(2)%ssws, surf_usm_v(3)%ssws )
[2155]	2369
[1960]	2370	!
	2371	!-- Sink or source of humidity due to canopy elements
	2372	IF ( plant_canopy ) CALL pcm_tendency( 7 )
	2373
	2374	!
	2375	!-- Large scale advection. Not implemented for scalars so far.
	2376	! IF ( large_scale_forcing ) THEN
	2377	! CALL ls_advec( simulated_time, 'q' )
	2378	! ENDIF
	2379
	2380	!
	2381	!-- Nudging. Not implemented for scalars so far.
[2155]	2382	! IF ( nudging ) CALL nudge( simulated_time, 'q' )
[1960]	2383
	2384	!
	2385	!-- If required compute influence of large-scale subsidence/ascent.
	2386	!-- Not implemented for scalars so far.
	2387	IF ( large_scale_subsidence .AND. &
	2388	.NOT. use_subsidence_tendencies .AND. &
	2389	.NOT. large_scale_forcing ) THEN
	2390	CALL subsidence( tend, s, s_init, 3 )
	2391	ENDIF
	2392
	2393	CALL user_actions( 's-tendency' )
	2394
	2395	!
	2396	!-- Prognostic equation for total water content
	2397	DO i = nxl, nxr
	2398	DO j = nys, nyn
[2232]	2399	DO k = nzb+1, nzt
	2400	s_p(k,j,i) = s(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
	2401	tsc(3) * ts_m(k,j,i) ) &
	2402	- tsc(5) * rdf_sc(k) * &
	2403	( s(k,j,i) - s_init(k) ) &
	2404	) &
	2405	* MERGE( 1.0_wp, 0.0_wp, &
	2406	BTEST( wall_flags_0(k,j,i), 0 ) &
	2407	)
[1960]	2408	IF ( s_p(k,j,i) < 0.0_wp ) s_p(k,j,i) = 0.1_wp * s(k,j,i)
	2409	ENDDO
	2410	ENDDO
	2411	ENDDO
	2412
	2413	!
	2414	!-- Calculate tendencies for the next Runge-Kutta step
	2415	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	2416	IF ( intermediate_timestep_count == 1 ) THEN
	2417	DO i = nxl, nxr
	2418	DO j = nys, nyn
[2232]	2419	DO k = nzb+1, nzt
[1960]	2420	ts_m(k,j,i) = tend(k,j,i)
	2421	ENDDO
	2422	ENDDO
	2423	ENDDO
	2424	ELSEIF ( intermediate_timestep_count < &
	2425	intermediate_timestep_count_max ) THEN
	2426	DO i = nxl, nxr
	2427	DO j = nys, nyn
[2232]	2428	DO k = nzb+1, nzt
	2429	ts_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
	2430	+ 5.3125_wp * ts_m(k,j,i)
[1960]	2431	ENDDO
	2432	ENDDO
	2433	ENDDO
	2434	ENDIF
	2435	ENDIF
	2436
	2437	CALL cpu_log( log_point(66), 's-equation', 'stop' )
	2438
	2439	ENDIF
[1875]	2440
[2696]	2441	CALL tcm_prognostic()
[1875]	2442
[2815]	2443	!
	2444	!-- If required, compute prognostic equation for chemical quantites
	2445	IF ( air_chemistry ) THEN
	2446	CALL cpu_log( log_point(83), '(chem advec+diff+prog)', 'start' )
	2447	!
	2448	!-- Loop over chemical species
	2449	DO lsp = 1, nvar
	2450	CALL chem_prognostic_equations ( chem_species(lsp)%conc_p, &
	2451	chem_species(lsp)%conc, &
	2452	chem_species(lsp)%tconc_m, &
	2453	chem_species(lsp)%conc_pr_init, &
	2454	lsp )
	2455	ENDDO
[1875]	2456
[2815]	2457	CALL cpu_log( log_point(83), '(chem advec+diff+prog)', 'stop' )
	2458	ENDIF ! Chemicals equations
	2459
	2460
[1875]	2461	END SUBROUTINE prognostic_equations_vector
	2462
	2463
	2464	END MODULE prognostic_equations_mod

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