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source: palm/trunk/SOURCE/ls_forcing.f90 @ 1802

Last change on this file since 1802 was 1683, checked in by knoop, 9 years ago
last commit documented
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File size: 21.7 KB

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[1682]	1	!> @file ls_forcing.f90
[1239]	2	!--------------------------------------------------------------------------------!
	3	! This file is part of PALM.
	4	!
	5	! PALM is free software: you can redistribute it and/or modify it under the terms
	6	! of the GNU General Public License as published by the Free Software Foundation,
	7	! either version 3 of the License, or (at your option) any later version.
	8	!
	9	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	10	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	11	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	12	!
	13	! You should have received a copy of the GNU General Public License along with
	14	! PALM. If not, see <http://www.gnu.org/licenses/>.
	15	!
[1310]	16	! Copyright 1997-2014 Leibniz Universitaet Hannover
[1239]	17	!--------------------------------------------------------------------------------!
	18	!
	19	! Current revisions:
	20	! ------------------
[1383]	21	!
[1683]	22	!
[1383]	23	! Former revisions:
	24	! -----------------
	25	! $Id: ls_forcing.f90 1683 2015-10-07 23:57:51Z raasch $
	26	!
[1683]	27	! 1682 2015-10-07 23:56:08Z knoop
	28	! Code annotations made doxygen readable
	29	!
[1603]	30	! 1602 2015-06-22 07:50:56Z heinze
	31	! PA0370 changed to PA0363
	32	!
[1383]	33	! 1382 2014-04-30 12:15:41Z boeske
[1382]	34	! Renamed variables which store large scale forcing tendencies
	35	! pt_lsa -> td_lsa_lpt, pt_subs -> td_sub_lpt,
	36	! q_lsa -> td_lsa_q, q_subs -> td_sub_q,
	37	! high\|lowpt_lsa -> high\|low_td_lsa_lpt, ...
[1366]	38	!
	39	! 1365 2014-04-22 15:03:56Z boeske
[1365]	40	! Usage of large scale forcing for pt and q enabled:
	41	! Added new subroutine ls_advec for horizontal large scale advection and large
	42	! scale subsidence,
	43	! error message in init_ls_forcing specified,
	44	! variable t renamed nt
[1354]	45	!
	46	! 1353 2014-04-08 15:21:23Z heinze
	47	! REAL constants provided with KIND-attribute
	48	!
[1321]	49	! 1320 2014-03-20 08:40:49Z raasch
[1320]	50	! ONLY-attribute added to USE-statements,
	51	! kind-parameters added to all INTEGER and REAL declaration statements,
	52	! kinds are defined in new module kinds,
	53	! comment fields (!:) to be used for variable explanations added to
	54	! all variable declaration statements
[1239]	55	!
[1319]	56	! 1318 2014-03-17 13:35:16Z raasch
	57	! module interfaces removed
	58	!
[1300]	59	! 1299 2014-03-06 13:15:21Z heinze
	60	! Ensure a zero large scale vertical velocity at the surface
	61	! Bugfix: typo in case of boundary condition in if-clause
	62	!
[1277]	63	! 1276 2014-01-15 13:40:41Z heinze
	64	! Use LSF_DATA also in case of Dirichlet bottom boundary condition for scalars
	65	!
[1250]	66	! 1249 2013-11-06 10:45:47Z heinze
	67	! remove call of user module
	68	! reformatting
	69	!
[1242]	70	! 1241 2013-10-30 11:36:58Z heinze
	71	! Initial revision
[1239]	72	!
	73	! Description:
	74	! ------------
[1682]	75	!> Calculates large scale forcings (geostrophic wind and subsidence velocity) as
	76	!> well as surfaces fluxes dependent on time given in an external file (LSF_DATA).
	77	!> Code is based in parts on DALES and UCLA-LES.
[1239]	78	!--------------------------------------------------------------------------------!
[1682]	79	MODULE ls_forcing_mod
	80
[1239]	81
	82	PRIVATE
[1365]	83	PUBLIC init_ls_forcing, ls_forcing_surf, ls_forcing_vert, ls_advec
[1239]	84	SAVE
	85
[1365]	86	INTERFACE ls_advec
	87	MODULE PROCEDURE ls_advec
	88	MODULE PROCEDURE ls_advec_ij
	89	END INTERFACE ls_advec
[1239]	90
	91	CONTAINS
	92
[1682]	93	!------------------------------------------------------------------------------!
	94	! Description:
	95	! ------------
	96	!> @todo Missing subroutine description.
	97	!------------------------------------------------------------------------------!
[1239]	98	SUBROUTINE init_ls_forcing
	99
[1320]	100	USE arrays_3d, &
[1382]	101	ONLY: p_surf, pt_surf, q_surf, qsws_surf, shf_surf, td_lsa_lpt, &
	102	td_lsa_q, td_sub_lpt, td_sub_q, time_surf, time_vert, &
	103	ug_vert, vg_vert, wsubs_vert, zu
[1239]	104
[1320]	105	USE control_parameters, &
	106	ONLY: end_time, lsf_surf, lsf_vert, message_string, nlsf
	107
	108	USE indices, &
[1365]	109	ONLY: ngp_sums_ls, nzb, nz, nzt
[1320]	110
	111	USE kinds
	112
[1365]	113	USE statistics, &
	114	ONLY: sums_ls_l
[1320]	115
[1365]	116
[1239]	117	IMPLICIT NONE
	118
[1682]	119	CHARACTER(100) :: chmess !<
	120	CHARACTER(1) :: hash !<
[1239]	121
[1682]	122	INTEGER(iwp) :: ierrn !<
	123	INTEGER(iwp) :: finput = 90 !<
	124	INTEGER(iwp) :: k !<
	125	INTEGER(iwp) :: nt !<
[1320]	126
[1682]	127	REAL(wp) :: fac !<
	128	REAL(wp) :: highheight !<
	129	REAL(wp) :: highug_vert !<
	130	REAL(wp) :: highvg_vert !<
	131	REAL(wp) :: highwsubs_vert !<
	132	REAL(wp) :: lowheight !<
	133	REAL(wp) :: lowug_vert !<
	134	REAL(wp) :: lowvg_vert !<
	135	REAL(wp) :: lowwsubs_vert !<
	136	REAL(wp) :: high_td_lsa_lpt !<
	137	REAL(wp) :: low_td_lsa_lpt !<
	138	REAL(wp) :: high_td_lsa_q !<
	139	REAL(wp) :: low_td_lsa_q !<
	140	REAL(wp) :: high_td_sub_lpt !<
	141	REAL(wp) :: low_td_sub_lpt !<
	142	REAL(wp) :: high_td_sub_q !<
	143	REAL(wp) :: low_td_sub_q !<
	144	REAL(wp) :: r_dummy !<
[1320]	145
[1382]	146	ALLOCATE( p_surf(0:nlsf), pt_surf(0:nlsf), q_surf(0:nlsf), &
	147	qsws_surf(0:nlsf), shf_surf(0:nlsf), &
	148	td_lsa_lpt(nzb:nzt+1,0:nlsf), td_lsa_q(nzb:nzt+1,0:nlsf), &
	149	td_sub_lpt(nzb:nzt+1,0:nlsf), td_sub_q(nzb:nzt+1,0:nlsf), &
[1365]	150	time_vert(0:nlsf), time_surf(0:nlsf), &
	151	ug_vert(nzb:nzt+1,0:nlsf), vg_vert(nzb:nzt+1,0:nlsf), &
	152	wsubs_vert(nzb:nzt+1,0:nlsf) )
[1239]	153
[1382]	154	p_surf = 0.0_wp; pt_surf = 0.0_wp; q_surf = 0.0_wp; qsws_surf = 0.0_wp
	155	shf_surf = 0.0_wp; time_vert = 0.0_wp; td_lsa_lpt = 0.0_wp
	156	td_lsa_q = 0.0_wp; td_sub_lpt = 0.0_wp; td_sub_q = 0.0_wp
	157	time_surf = 0.0_wp; ug_vert = 0.0_wp; vg_vert = 0.0_wp
	158	wsubs_vert = 0.0_wp
[1239]	159
[1365]	160	!
	161	!-- Array for storing large scale forcing and nudging tendencies at each
	162	!-- timestep for data output
	163	ALLOCATE( sums_ls_l(nzb:nzt+1,0:7) )
	164	sums_ls_l = 0.0_wp
[1239]	165
[1365]	166	ngp_sums_ls = (nz+2)*6
	167
[1249]	168	OPEN ( finput, FILE='LSF_DATA', STATUS='OLD', &
	169	FORM='FORMATTED', IOSTAT=ierrn )
[1239]	170
[1249]	171	IF ( ierrn /= 0 ) THEN
[1239]	172	message_string = 'file LSF_DATA does not exist'
	173	CALL message( 'ls_forcing', 'PA0368', 1, 2, 0, 6, 0 )
	174	ENDIF
	175
	176	ierrn = 0
	177	!
	178	!-- First three lines of LSF_DATA contain header
[1249]	179	READ ( finput, FMT='(a100)', IOSTAT=ierrn ) chmess
	180	READ ( finput, FMT='(a100)', IOSTAT=ierrn ) chmess
	181	READ ( finput, FMT='(a100)', IOSTAT=ierrn ) chmess
[1239]	182
[1249]	183	IF ( ierrn /= 0 ) THEN
[1239]	184	message_string = 'errors in file LSF_DATA'
	185	CALL message( 'ls_forcing', 'PA0369', 1, 2, 0, 6, 0 )
	186	ENDIF
	187
	188	!
	189	!-- Surface values are read in
[1365]	190	nt = 0
[1239]	191	ierrn = 0
	192
[1365]	193	DO WHILE ( time_surf(nt) < end_time )
	194	nt = nt + 1
	195	READ ( finput, *, IOSTAT = ierrn ) time_surf(nt), shf_surf(nt), &
	196	qsws_surf(nt), pt_surf(nt), &
	197	q_surf(nt), p_surf(nt)
[1239]	198
[1249]	199	IF ( ierrn < 0 ) THEN
[1299]	200	WRITE ( message_string, * ) 'No time dependent surface variables ',&
[1239]	201	'in&LSF_DATA for end of run found'
	202
[1602]	203	CALL message( 'ls_forcing', 'PA0363', 1, 2, 0, 6, 0 )
[1239]	204	ENDIF
	205	ENDDO
	206
	207
[1249]	208	IF ( time_surf(1) > end_time ) THEN
[1299]	209	WRITE ( message_string, * ) 'No time dependent surface variables in ',&
[1365]	210	'&LSF_DATA for end of run found - ', &
[1239]	211	'lsf_surf is set to FALSE'
	212	CALL message( 'ls_forcing', 'PA0371', 0, 0, 0, 6, 0 )
	213	lsf_surf = .FALSE.
	214	ENDIF
	215
	216	!
	217	!-- Go to the end of the list with surface variables
	218	DO WHILE ( ierrn == 0 )
[1249]	219	READ ( finput, *, IOSTAT = ierrn ) r_dummy
[1239]	220	ENDDO
	221
	222	!
	223	!-- Profiles of ug, vg and w_subs are read in (large scale forcing)
	224
[1365]	225	nt = 0
	226	DO WHILE ( time_vert(nt) < end_time )
	227	nt = nt + 1
[1239]	228	hash = "#"
	229	ierrn = 1 ! not zero
	230	!
	231	!-- Search for the next line consisting of "# time",
	232	!-- from there onwards the profiles will be read
	233	DO WHILE ( .NOT. ( hash == "#" .AND. ierrn == 0 ) )
[1365]	234	READ ( finput, *, IOSTAT=ierrn ) hash, time_vert(nt)
[1249]	235	IF ( ierrn < 0 ) THEN
[1299]	236	WRITE( message_string, * ) 'No time dependent vertical profiles',&
[1239]	237	' in&LSF_DATA for end of run found'
	238	CALL message( 'ls_forcing', 'PA0372', 1, 2, 0, 6, 0 )
	239	ENDIF
	240	ENDDO
	241
[1365]	242	IF ( nt == 1 .AND. time_vert(nt) > end_time ) EXIT
[1239]	243
[1365]	244	READ ( finput, *, IOSTAT=ierrn ) lowheight, lowug_vert, lowvg_vert, &
[1382]	245	lowwsubs_vert, low_td_lsa_lpt, &
	246	low_td_lsa_q, low_td_sub_lpt, &
	247	low_td_sub_q
[1249]	248	IF ( ierrn /= 0 ) THEN
[1239]	249	message_string = 'errors in file LSF_DATA'
[1299]	250	CALL message( 'ls_forcing', 'PA0369', 1, 2, 0, 6, 0 )
[1239]	251	ENDIF
	252
[1365]	253	READ ( finput, *, IOSTAT=ierrn ) highheight, highug_vert, &
	254	highvg_vert, highwsubs_vert, &
[1382]	255	high_td_lsa_lpt, high_td_lsa_q, &
	256	high_td_sub_lpt, high_td_sub_q
[1239]	257
[1249]	258	IF ( ierrn /= 0 ) THEN
[1239]	259	message_string = 'errors in file LSF_DATA'
[1299]	260	CALL message( 'ls_forcing', 'PA0369', 1, 2, 0, 6, 0 )
[1239]	261	ENDIF
	262
[1241]	263
[1239]	264	DO k = nzb, nzt+1
[1249]	265	IF ( highheight < zu(k) ) THEN
[1382]	266	lowheight = highheight
	267	lowug_vert = highug_vert
	268	lowvg_vert = highvg_vert
	269	lowwsubs_vert = highwsubs_vert
	270	low_td_lsa_lpt = high_td_lsa_lpt
	271	low_td_lsa_q = high_td_lsa_q
	272	low_td_sub_lpt = high_td_sub_lpt
	273	low_td_sub_q = high_td_sub_q
[1239]	274
	275	ierrn = 0
[1365]	276	READ ( finput, *, IOSTAT=ierrn ) highheight, highug_vert, &
	277	highvg_vert, highwsubs_vert, &
[1382]	278	high_td_lsa_lpt, &
	279	high_td_lsa_q, &
	280	high_td_sub_lpt, high_td_sub_q
[1239]	281
[1249]	282	IF ( ierrn /= 0 ) THEN
[1365]	283	WRITE( message_string, * ) 'zu(nzt+1) = ', zu(nzt+1), 'm ', &
	284	'is higher than the maximum height in LSF_DATA which ',&
	285	'is ', lowheight, 'm. Interpolation on PALM ', &
	286	'grid is not possible.'
	287	CALL message( 'ls_forcing', 'PA0395', 1, 2, 0, 6, 0 )
[1239]	288	ENDIF
	289
	290	ENDIF
	291
	292	!
	293	!-- Interpolation of prescribed profiles in space
	294	fac = (highheight-zu(k))/(highheight - lowheight)
	295
[1382]	296	ug_vert(k,nt) = fac * lowug_vert &
	297	+ ( 1.0_wp - fac ) * highug_vert
	298	vg_vert(k,nt) = fac * lowvg_vert &
	299	+ ( 1.0_wp - fac ) * highvg_vert
	300	wsubs_vert(k,nt) = fac * lowwsubs_vert &
	301	+ ( 1.0_wp - fac ) * highwsubs_vert
[1239]	302
[1382]	303	td_lsa_lpt(k,nt) = fac * low_td_lsa_lpt &
	304	+ ( 1.0_wp - fac ) * high_td_lsa_lpt
	305	td_lsa_q(k,nt) = fac * low_td_lsa_q &
	306	+ ( 1.0_wp - fac ) * high_td_lsa_q
	307	td_sub_lpt(k,nt) = fac * low_td_sub_lpt &
	308	+ ( 1.0_wp - fac ) * high_td_sub_lpt
	309	td_sub_q(k,nt) = fac * low_td_sub_q &
	310	+ ( 1.0_wp - fac ) * high_td_sub_q
[1365]	311
[1239]	312	ENDDO
	313
	314	ENDDO
	315
[1299]	316	!
	317	!-- Large scale vertical velocity has to be zero at the surface
[1353]	318	wsubs_vert(nzb,:) = 0.0_wp
[1299]	319
[1249]	320	IF ( time_vert(1) > end_time ) THEN
[1365]	321	WRITE ( message_string, * ) 'Time dependent large scale profile ', &
	322	'forcing from&LSF_DATA sets in after end of ' , &
[1249]	323	'simulation - lsf_vert is set to FALSE'
[1239]	324	CALL message( 'ls_forcing', 'PA0373', 0, 0, 0, 6, 0 )
	325	lsf_vert = .FALSE.
	326	ENDIF
	327
	328	CLOSE( finput )
	329
	330
	331	END SUBROUTINE init_ls_forcing
	332
	333
[1682]	334	!------------------------------------------------------------------------------!
	335	! Description:
	336	! ------------
	337	!> @todo Missing subroutine description.
	338	!------------------------------------------------------------------------------!
[1239]	339	SUBROUTINE ls_forcing_surf ( time )
	340
[1320]	341	USE arrays_3d, &
	342	ONLY: p_surf, pt_surf, q_surf, qsws, qsws_surf, shf, shf_surf, &
	343	time_surf, time_vert, ug, ug_vert, vg, vg_vert
[1239]	344
[1320]	345	USE control_parameters, &
	346	ONLY: bc_q_b, ibc_pt_b, ibc_q_b, pt_surface, q_surface, &
	347	surface_pressure
	348
	349	USE kinds
	350
[1239]	351	IMPLICIT NONE
	352
[1682]	353	INTEGER(iwp) :: nt !<
[1239]	354
[1682]	355	REAL(wp) :: fac !<
	356	REAL(wp), INTENT(in) :: time !<
[1320]	357
[1239]	358	!
	359	!-- Interpolation in time of LSF_DATA at the surface
[1365]	360	nt = 1
	361	DO WHILE ( time > time_surf(nt) )
	362	nt = nt + 1
[1239]	363	ENDDO
[1365]	364	IF ( time /= time_surf(nt) ) THEN
	365	nt = nt - 1
[1239]	366	ENDIF
	367
[1365]	368	fac = ( time -time_surf(nt) ) / ( time_surf(nt+1) - time_surf(nt) )
[1239]	369
[1276]	370	IF ( ibc_pt_b == 0 ) THEN
	371	!
	372	!-- In case of Dirichlet boundary condition shf must not
	373	!-- be set - it is calculated via MOST in prandtl_fluxes
[1365]	374	pt_surface = pt_surf(nt) + fac * ( pt_surf(nt+1) - pt_surf(nt) )
[1276]	375
	376	ELSEIF ( ibc_pt_b == 1 ) THEN
	377	!
	378	!-- In case of Neumann boundary condition pt_surface is needed for
	379	!-- calculation of reference density
[1365]	380	shf = shf_surf(nt) + fac * ( shf_surf(nt+1) - shf_surf(nt) )
	381	pt_surface = pt_surf(nt) + fac * ( pt_surf(nt+1) - pt_surf(nt) )
[1276]	382
	383	ENDIF
	384
	385	IF ( ibc_q_b == 0 ) THEN
	386	!
	387	!-- In case of Dirichlet boundary condition qsws must not
	388	!-- be set - it is calculated via MOST in prandtl_fluxes
[1365]	389	q_surface = q_surf(nt) + fac * ( q_surf(nt+1) - q_surf(nt) )
[1276]	390
[1299]	391	ELSEIF ( ibc_q_b == 1 ) THEN
[1276]	392
[1365]	393	qsws = qsws_surf(nt) + fac * ( qsws_surf(nt+1) - qsws_surf(nt) )
[1276]	394
	395	ENDIF
	396
[1365]	397	surface_pressure = p_surf(nt) + fac * ( p_surf(nt+1) - p_surf(nt) )
[1239]	398
	399	END SUBROUTINE ls_forcing_surf
	400
	401
[1682]	402	!------------------------------------------------------------------------------!
	403	! Description:
	404	! ------------
	405	!> @todo Missing subroutine description.
	406	!------------------------------------------------------------------------------!
[1239]	407	SUBROUTINE ls_forcing_vert ( time )
	408
[1320]	409	USE arrays_3d, &
	410	ONLY: time_vert, ug, ug_vert, vg, vg_vert, w_subs, wsubs_vert
[1239]	411
[1320]	412	USE control_parameters, &
	413	ONLY: large_scale_subsidence
	414
	415	USE kinds
	416
[1239]	417	IMPLICIT NONE
	418
[1682]	419	INTEGER(iwp) :: nt !<
[1239]	420
[1682]	421	REAL(wp) :: fac !<
	422	REAL(wp), INTENT(in) :: time !<
[1320]	423
[1239]	424	!
	425	!-- Interpolation in time of LSF_DATA for ug, vg and w_subs
[1365]	426	nt = 1
	427	DO WHILE ( time > time_vert(nt) )
	428	nt = nt + 1
[1239]	429	ENDDO
[1365]	430	IF ( time /= time_vert(nt) ) THEN
	431	nt = nt - 1
[1239]	432	ENDIF
	433
[1365]	434	fac = ( time-time_vert(nt) ) / ( time_vert(nt+1)-time_vert(nt) )
[1239]	435
[1365]	436	ug = ug_vert(:,nt) + fac * ( ug_vert(:,nt+1) - ug_vert(:,nt) )
	437	vg = vg_vert(:,nt) + fac * ( vg_vert(:,nt+1) - vg_vert(:,nt) )
[1239]	438
[1249]	439	IF ( large_scale_subsidence ) THEN
[1365]	440	w_subs = wsubs_vert(:,nt) &
	441	+ fac * ( wsubs_vert(:,nt+1) - wsubs_vert(:,nt) )
[1239]	442	ENDIF
	443
	444	END SUBROUTINE ls_forcing_vert
	445
	446
[1365]	447	!------------------------------------------------------------------------------!
[1682]	448	! Description:
	449	! ------------
	450	!> Call for all grid points
[1365]	451	!------------------------------------------------------------------------------!
	452	SUBROUTINE ls_advec ( time, prog_var )
	453
	454	USE arrays_3d, &
[1382]	455	ONLY: td_lsa_lpt, td_lsa_q, td_sub_lpt, td_sub_q, tend, time_vert
[1365]	456
	457	USE control_parameters, &
	458	ONLY: large_scale_subsidence, use_subsidence_tendencies
	459
	460	USE indices
	461
	462	USE kinds
	463
	464	IMPLICIT NONE
	465
[1682]	466	CHARACTER (LEN=*) :: prog_var !<
[1365]	467
[1682]	468	REAL(wp), INTENT(in) :: time !<
	469	REAL(wp) :: fac !<
[1365]	470
[1682]	471	INTEGER(iwp) :: i !<
	472	INTEGER(iwp) :: j !<
	473	INTEGER(iwp) :: k !<
	474	INTEGER(iwp) :: nt !<
[1365]	475
	476	!
	477	!-- Interpolation in time of LSF_DATA
	478	nt = 1
	479	DO WHILE ( time > time_vert(nt) )
	480	nt = nt + 1
	481	ENDDO
	482	IF ( time /= time_vert(nt) ) THEN
	483	nt = nt - 1
	484	ENDIF
	485
	486	fac = ( time-time_vert(nt) ) / ( time_vert(nt+1)-time_vert(nt) )
	487
	488	!
	489	!-- Add horizontal large scale advection tendencies of pt and q
	490	SELECT CASE ( prog_var )
	491
	492	CASE ( 'pt' )
	493
	494	DO i = nxl, nxr
	495	DO j = nys, nyn
	496	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	497	tend(k,j,i) = tend(k,j,i) + td_lsa_lpt(k,nt) + fac * &
	498	( td_lsa_lpt(k,nt+1) - td_lsa_lpt(k,nt) )
[1365]	499	ENDDO
	500	ENDDO
	501	ENDDO
	502
	503	CASE ( 'q' )
	504
	505	DO i = nxl, nxr
	506	DO j = nys, nyn
	507	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	508	tend(k,j,i) = tend(k,j,i) + td_lsa_q(k,nt) + fac * &
	509	( td_lsa_q(k,nt+1) - td_lsa_q(k,nt) )
[1365]	510	ENDDO
	511	ENDDO
	512	ENDDO
	513
	514	END SELECT
	515
	516	!
	517	!-- Subsidence of pt and q with prescribed subsidence tendencies
	518	IF ( large_scale_subsidence .AND. use_subsidence_tendencies ) THEN
	519
	520	SELECT CASE ( prog_var )
	521
	522	CASE ( 'pt' )
	523
	524	DO i = nxl, nxr
	525	DO j = nys, nyn
	526	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	527	tend(k,j,i) = tend(k,j,i) + td_sub_lpt(k,nt) + fac * &
	528	( td_sub_lpt(k,nt+1) - td_sub_lpt(k,nt) )
[1365]	529	ENDDO
	530	ENDDO
	531	ENDDO
	532
	533	CASE ( 'q' )
	534
	535	DO i = nxl, nxr
	536	DO j = nys, nyn
	537	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	538	tend(k,j,i) = tend(k,j,i) + td_sub_q(k,nt) + fac * &
	539	( td_sub_q(k,nt+1) - td_sub_q(k,nt) )
[1365]	540	ENDDO
	541	ENDDO
	542	ENDDO
	543
	544	END SELECT
	545
	546	ENDIF
	547
	548	END SUBROUTINE ls_advec
	549
	550
	551	!------------------------------------------------------------------------------!
[1682]	552	! Description:
	553	! ------------
	554	!> Call for grid point i,j
[1365]	555	!------------------------------------------------------------------------------!
	556	SUBROUTINE ls_advec_ij ( i, j, time, prog_var )
	557
	558	USE arrays_3d, &
[1382]	559	ONLY: td_lsa_lpt, td_lsa_q, td_sub_lpt, td_sub_q, tend, time_vert
[1365]	560
	561	USE control_parameters, &
	562	ONLY: large_scale_subsidence, use_subsidence_tendencies
	563
	564	USE indices
	565
	566	USE kinds
	567
	568	IMPLICIT NONE
	569
[1682]	570	CHARACTER (LEN=*) :: prog_var !<
[1365]	571
[1682]	572	REAL(wp), INTENT(in) :: time !<
	573	REAL(wp) :: fac !<
[1365]	574
[1682]	575	INTEGER(iwp) :: i !<
	576	INTEGER(iwp) :: j !<
	577	INTEGER(iwp) :: k !<
	578	INTEGER(iwp) :: nt !<
[1365]	579
	580	!
	581	!-- Interpolation in time of LSF_DATA
	582	nt = 1
	583	DO WHILE ( time > time_vert(nt) )
	584	nt = nt + 1
	585	ENDDO
	586	IF ( time /= time_vert(nt) ) THEN
	587	nt = nt - 1
	588	ENDIF
	589
	590	fac = ( time-time_vert(nt) ) / ( time_vert(nt+1)-time_vert(nt) )
	591
	592	!
	593	!-- Add horizontal large scale advection tendencies of pt and q
	594	SELECT CASE ( prog_var )
	595
	596	CASE ( 'pt' )
	597
	598	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	599	tend(k,j,i) = tend(k,j,i) + td_lsa_lpt(k,nt) &
	600	+ fac * ( td_lsa_lpt(k,nt+1) - td_lsa_lpt(k,nt) )
[1365]	601	ENDDO
	602
	603	CASE ( 'q' )
	604
	605	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	606	tend(k,j,i) = tend(k,j,i) + td_lsa_q(k,nt) &
	607	+ fac * ( td_lsa_q(k,nt+1) - td_lsa_q(k,nt) )
[1365]	608	ENDDO
	609
	610	END SELECT
	611
	612	!
	613	!-- Subsidence of pt and q with prescribed profiles
	614	IF ( large_scale_subsidence .AND. use_subsidence_tendencies ) THEN
	615
	616	SELECT CASE ( prog_var )
	617
	618	CASE ( 'pt' )
	619
	620	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	621	tend(k,j,i) = tend(k,j,i) + td_sub_lpt(k,nt) + fac * &
	622	( td_sub_lpt(k,nt+1) - td_sub_lpt(k,nt) )
[1365]	623	ENDDO
	624
	625	CASE ( 'q' )
	626
	627	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	628	tend(k,j,i) = tend(k,j,i) + td_sub_q(k,nt) + fac * &
	629	( td_sub_q(k,nt+1) - td_sub_q(k,nt) )
[1365]	630	ENDDO
	631
	632	END SELECT
	633
	634	ENDIF
	635
	636	END SUBROUTINE ls_advec_ij
	637
	638
[1239]	639	END MODULE ls_forcing_mod

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