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source: palm/trunk/SOURCE/ls_forcing.f90 @ 1532

Last change on this file since 1532 was 1383, checked in by boeske, 11 years ago
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[1239]	1	MODULE ls_forcing_mod
	2
	3	!--------------------------------------------------------------------------------!
	4	! This file is part of PALM.
	5	!
	6	! PALM is free software: you can redistribute it and/or modify it under the terms
	7	! of the GNU General Public License as published by the Free Software Foundation,
	8	! either version 3 of the License, or (at your option) any later version.
	9	!
	10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	13	!
	14	! You should have received a copy of the GNU General Public License along with
	15	! PALM. If not, see <http://www.gnu.org/licenses/>.
	16	!
[1310]	17	! Copyright 1997-2014 Leibniz Universitaet Hannover
[1239]	18	!--------------------------------------------------------------------------------!
	19	!
	20	! Current revisions:
	21	! ------------------
[1383]	22	!
	23	!
	24	! Former revisions:
	25	! -----------------
	26	! $Id: ls_forcing.f90 1383 2014-04-30 12:17:54Z hoffmann $
	27	!
	28	! 1382 2014-04-30 12:15:41Z boeske
[1382]	29	! Renamed variables which store large scale forcing tendencies
	30	! pt_lsa -> td_lsa_lpt, pt_subs -> td_sub_lpt,
	31	! q_lsa -> td_lsa_q, q_subs -> td_sub_q,
	32	! high\|lowpt_lsa -> high\|low_td_lsa_lpt, ...
[1366]	33	!
	34	! 1365 2014-04-22 15:03:56Z boeske
[1365]	35	! Usage of large scale forcing for pt and q enabled:
	36	! Added new subroutine ls_advec for horizontal large scale advection and large
	37	! scale subsidence,
	38	! error message in init_ls_forcing specified,
	39	! variable t renamed nt
[1354]	40	!
	41	! 1353 2014-04-08 15:21:23Z heinze
	42	! REAL constants provided with KIND-attribute
	43	!
[1321]	44	! 1320 2014-03-20 08:40:49Z raasch
[1320]	45	! ONLY-attribute added to USE-statements,
	46	! kind-parameters added to all INTEGER and REAL declaration statements,
	47	! kinds are defined in new module kinds,
	48	! comment fields (!:) to be used for variable explanations added to
	49	! all variable declaration statements
[1239]	50	!
[1319]	51	! 1318 2014-03-17 13:35:16Z raasch
	52	! module interfaces removed
	53	!
[1300]	54	! 1299 2014-03-06 13:15:21Z heinze
	55	! Ensure a zero large scale vertical velocity at the surface
	56	! Bugfix: typo in case of boundary condition in if-clause
	57	!
[1277]	58	! 1276 2014-01-15 13:40:41Z heinze
	59	! Use LSF_DATA also in case of Dirichlet bottom boundary condition for scalars
	60	!
[1250]	61	! 1249 2013-11-06 10:45:47Z heinze
	62	! remove call of user module
	63	! reformatting
	64	!
[1242]	65	! 1241 2013-10-30 11:36:58Z heinze
	66	! Initial revision
[1239]	67	!
	68	! Description:
	69	! ------------
	70	! Calculates large scale forcings (geostrophic wind and subsidence velocity) as
[1299]	71	! well as surfaces fluxes dependent on time given in an external file (LSF_DATA).
[1239]	72	! Code is based in parts on DALES and UCLA-LES.
	73	!--------------------------------------------------------------------------------!
	74
	75	PRIVATE
[1365]	76	PUBLIC init_ls_forcing, ls_forcing_surf, ls_forcing_vert, ls_advec
[1239]	77	SAVE
	78
[1365]	79	INTERFACE ls_advec
	80	MODULE PROCEDURE ls_advec
	81	MODULE PROCEDURE ls_advec_ij
	82	END INTERFACE ls_advec
[1239]	83
	84	CONTAINS
	85
	86	SUBROUTINE init_ls_forcing
	87
[1320]	88	USE arrays_3d, &
[1382]	89	ONLY: p_surf, pt_surf, q_surf, qsws_surf, shf_surf, td_lsa_lpt, &
	90	td_lsa_q, td_sub_lpt, td_sub_q, time_surf, time_vert, &
	91	ug_vert, vg_vert, wsubs_vert, zu
[1239]	92
[1320]	93	USE control_parameters, &
	94	ONLY: end_time, lsf_surf, lsf_vert, message_string, nlsf
	95
	96	USE indices, &
[1365]	97	ONLY: ngp_sums_ls, nzb, nz, nzt
[1320]	98
	99	USE kinds
	100
[1365]	101	USE statistics, &
	102	ONLY: sums_ls_l
[1320]	103
[1365]	104
[1239]	105	IMPLICIT NONE
	106
[1365]	107	CHARACTER(100) :: chmess !:
	108	CHARACTER(1) :: hash !:
[1239]	109
[1365]	110	INTEGER(iwp) :: ierrn !:
	111	INTEGER(iwp) :: finput = 90 !:
	112	INTEGER(iwp) :: k !:
	113	INTEGER(iwp) :: nt !:
[1320]	114
[1365]	115	REAL(wp) :: fac !:
	116	REAL(wp) :: highheight !:
	117	REAL(wp) :: highug_vert !:
	118	REAL(wp) :: highvg_vert !:
	119	REAL(wp) :: highwsubs_vert !:
	120	REAL(wp) :: lowheight !:
	121	REAL(wp) :: lowug_vert !:
	122	REAL(wp) :: lowvg_vert !:
	123	REAL(wp) :: lowwsubs_vert !:
[1382]	124	REAL(wp) :: high_td_lsa_lpt !:
	125	REAL(wp) :: low_td_lsa_lpt !:
	126	REAL(wp) :: high_td_lsa_q !:
	127	REAL(wp) :: low_td_lsa_q !:
	128	REAL(wp) :: high_td_sub_lpt !:
	129	REAL(wp) :: low_td_sub_lpt !:
	130	REAL(wp) :: high_td_sub_q !:
	131	REAL(wp) :: low_td_sub_q !:
[1365]	132	REAL(wp) :: r_dummy !:
[1320]	133
[1382]	134	ALLOCATE( p_surf(0:nlsf), pt_surf(0:nlsf), q_surf(0:nlsf), &
	135	qsws_surf(0:nlsf), shf_surf(0:nlsf), &
	136	td_lsa_lpt(nzb:nzt+1,0:nlsf), td_lsa_q(nzb:nzt+1,0:nlsf), &
	137	td_sub_lpt(nzb:nzt+1,0:nlsf), td_sub_q(nzb:nzt+1,0:nlsf), &
[1365]	138	time_vert(0:nlsf), time_surf(0:nlsf), &
	139	ug_vert(nzb:nzt+1,0:nlsf), vg_vert(nzb:nzt+1,0:nlsf), &
	140	wsubs_vert(nzb:nzt+1,0:nlsf) )
[1239]	141
[1382]	142	p_surf = 0.0_wp; pt_surf = 0.0_wp; q_surf = 0.0_wp; qsws_surf = 0.0_wp
	143	shf_surf = 0.0_wp; time_vert = 0.0_wp; td_lsa_lpt = 0.0_wp
	144	td_lsa_q = 0.0_wp; td_sub_lpt = 0.0_wp; td_sub_q = 0.0_wp
	145	time_surf = 0.0_wp; ug_vert = 0.0_wp; vg_vert = 0.0_wp
	146	wsubs_vert = 0.0_wp
[1239]	147
[1365]	148	!
	149	!-- Array for storing large scale forcing and nudging tendencies at each
	150	!-- timestep for data output
	151	ALLOCATE( sums_ls_l(nzb:nzt+1,0:7) )
	152	sums_ls_l = 0.0_wp
[1239]	153
[1365]	154	ngp_sums_ls = (nz+2)*6
	155
[1249]	156	OPEN ( finput, FILE='LSF_DATA', STATUS='OLD', &
	157	FORM='FORMATTED', IOSTAT=ierrn )
[1239]	158
[1249]	159	IF ( ierrn /= 0 ) THEN
[1239]	160	message_string = 'file LSF_DATA does not exist'
	161	CALL message( 'ls_forcing', 'PA0368', 1, 2, 0, 6, 0 )
	162	ENDIF
	163
	164	ierrn = 0
	165	!
	166	!-- First three lines of LSF_DATA contain header
[1249]	167	READ ( finput, FMT='(a100)', IOSTAT=ierrn ) chmess
	168	READ ( finput, FMT='(a100)', IOSTAT=ierrn ) chmess
	169	READ ( finput, FMT='(a100)', IOSTAT=ierrn ) chmess
[1239]	170
[1249]	171	IF ( ierrn /= 0 ) THEN
[1239]	172	message_string = 'errors in file LSF_DATA'
	173	CALL message( 'ls_forcing', 'PA0369', 1, 2, 0, 6, 0 )
	174	ENDIF
	175
	176	!
	177	!-- Surface values are read in
[1365]	178	nt = 0
[1239]	179	ierrn = 0
	180
[1365]	181	DO WHILE ( time_surf(nt) < end_time )
	182	nt = nt + 1
	183	READ ( finput, *, IOSTAT = ierrn ) time_surf(nt), shf_surf(nt), &
	184	qsws_surf(nt), pt_surf(nt), &
	185	q_surf(nt), p_surf(nt)
[1239]	186
[1249]	187	IF ( ierrn < 0 ) THEN
[1299]	188	WRITE ( message_string, * ) 'No time dependent surface variables ',&
[1239]	189	'in&LSF_DATA for end of run found'
	190
	191	CALL message( 'ls_forcing', 'PA0370', 1, 2, 0, 6, 0 )
	192	ENDIF
	193	ENDDO
	194
	195
[1249]	196	IF ( time_surf(1) > end_time ) THEN
[1299]	197	WRITE ( message_string, * ) 'No time dependent surface variables in ',&
[1365]	198	'&LSF_DATA for end of run found - ', &
[1239]	199	'lsf_surf is set to FALSE'
	200	CALL message( 'ls_forcing', 'PA0371', 0, 0, 0, 6, 0 )
	201	lsf_surf = .FALSE.
	202	ENDIF
	203
	204	!
	205	!-- Go to the end of the list with surface variables
	206	DO WHILE ( ierrn == 0 )
[1249]	207	READ ( finput, *, IOSTAT = ierrn ) r_dummy
[1239]	208	ENDDO
	209
	210	!
	211	!-- Profiles of ug, vg and w_subs are read in (large scale forcing)
	212
[1365]	213	nt = 0
	214	DO WHILE ( time_vert(nt) < end_time )
	215	nt = nt + 1
[1239]	216	hash = "#"
	217	ierrn = 1 ! not zero
	218	!
	219	!-- Search for the next line consisting of "# time",
	220	!-- from there onwards the profiles will be read
	221	DO WHILE ( .NOT. ( hash == "#" .AND. ierrn == 0 ) )
[1365]	222	READ ( finput, *, IOSTAT=ierrn ) hash, time_vert(nt)
[1249]	223	IF ( ierrn < 0 ) THEN
[1299]	224	WRITE( message_string, * ) 'No time dependent vertical profiles',&
[1239]	225	' in&LSF_DATA for end of run found'
	226	CALL message( 'ls_forcing', 'PA0372', 1, 2, 0, 6, 0 )
	227	ENDIF
	228	ENDDO
	229
[1365]	230	IF ( nt == 1 .AND. time_vert(nt) > end_time ) EXIT
[1239]	231
[1365]	232	READ ( finput, *, IOSTAT=ierrn ) lowheight, lowug_vert, lowvg_vert, &
[1382]	233	lowwsubs_vert, low_td_lsa_lpt, &
	234	low_td_lsa_q, low_td_sub_lpt, &
	235	low_td_sub_q
[1249]	236	IF ( ierrn /= 0 ) THEN
[1239]	237	message_string = 'errors in file LSF_DATA'
[1299]	238	CALL message( 'ls_forcing', 'PA0369', 1, 2, 0, 6, 0 )
[1239]	239	ENDIF
	240
[1365]	241	READ ( finput, *, IOSTAT=ierrn ) highheight, highug_vert, &
	242	highvg_vert, highwsubs_vert, &
[1382]	243	high_td_lsa_lpt, high_td_lsa_q, &
	244	high_td_sub_lpt, high_td_sub_q
[1239]	245
[1249]	246	IF ( ierrn /= 0 ) THEN
[1239]	247	message_string = 'errors in file LSF_DATA'
[1299]	248	CALL message( 'ls_forcing', 'PA0369', 1, 2, 0, 6, 0 )
[1239]	249	ENDIF
	250
[1241]	251
[1239]	252	DO k = nzb, nzt+1
[1249]	253	IF ( highheight < zu(k) ) THEN
[1382]	254	lowheight = highheight
	255	lowug_vert = highug_vert
	256	lowvg_vert = highvg_vert
	257	lowwsubs_vert = highwsubs_vert
	258	low_td_lsa_lpt = high_td_lsa_lpt
	259	low_td_lsa_q = high_td_lsa_q
	260	low_td_sub_lpt = high_td_sub_lpt
	261	low_td_sub_q = high_td_sub_q
[1239]	262
	263	ierrn = 0
[1365]	264	READ ( finput, *, IOSTAT=ierrn ) highheight, highug_vert, &
	265	highvg_vert, highwsubs_vert, &
[1382]	266	high_td_lsa_lpt, &
	267	high_td_lsa_q, &
	268	high_td_sub_lpt, high_td_sub_q
[1239]	269
[1249]	270	IF ( ierrn /= 0 ) THEN
[1365]	271	WRITE( message_string, * ) 'zu(nzt+1) = ', zu(nzt+1), 'm ', &
	272	'is higher than the maximum height in LSF_DATA which ',&
	273	'is ', lowheight, 'm. Interpolation on PALM ', &
	274	'grid is not possible.'
	275	CALL message( 'ls_forcing', 'PA0395', 1, 2, 0, 6, 0 )
[1239]	276	ENDIF
	277
	278	ENDIF
	279
	280	!
	281	!-- Interpolation of prescribed profiles in space
	282	fac = (highheight-zu(k))/(highheight - lowheight)
	283
[1382]	284	ug_vert(k,nt) = fac * lowug_vert &
	285	+ ( 1.0_wp - fac ) * highug_vert
	286	vg_vert(k,nt) = fac * lowvg_vert &
	287	+ ( 1.0_wp - fac ) * highvg_vert
	288	wsubs_vert(k,nt) = fac * lowwsubs_vert &
	289	+ ( 1.0_wp - fac ) * highwsubs_vert
[1239]	290
[1382]	291	td_lsa_lpt(k,nt) = fac * low_td_lsa_lpt &
	292	+ ( 1.0_wp - fac ) * high_td_lsa_lpt
	293	td_lsa_q(k,nt) = fac * low_td_lsa_q &
	294	+ ( 1.0_wp - fac ) * high_td_lsa_q
	295	td_sub_lpt(k,nt) = fac * low_td_sub_lpt &
	296	+ ( 1.0_wp - fac ) * high_td_sub_lpt
	297	td_sub_q(k,nt) = fac * low_td_sub_q &
	298	+ ( 1.0_wp - fac ) * high_td_sub_q
[1365]	299
[1239]	300	ENDDO
	301
	302	ENDDO
	303
[1299]	304	!
	305	!-- Large scale vertical velocity has to be zero at the surface
[1353]	306	wsubs_vert(nzb,:) = 0.0_wp
[1299]	307
[1249]	308	IF ( time_vert(1) > end_time ) THEN
[1365]	309	WRITE ( message_string, * ) 'Time dependent large scale profile ', &
	310	'forcing from&LSF_DATA sets in after end of ' , &
[1249]	311	'simulation - lsf_vert is set to FALSE'
[1239]	312	CALL message( 'ls_forcing', 'PA0373', 0, 0, 0, 6, 0 )
	313	lsf_vert = .FALSE.
	314	ENDIF
	315
	316	CLOSE( finput )
	317
	318
	319	END SUBROUTINE init_ls_forcing
	320
	321
	322	SUBROUTINE ls_forcing_surf ( time )
	323
[1320]	324	USE arrays_3d, &
	325	ONLY: p_surf, pt_surf, q_surf, qsws, qsws_surf, shf, shf_surf, &
	326	time_surf, time_vert, ug, ug_vert, vg, vg_vert
[1239]	327
[1320]	328	USE control_parameters, &
	329	ONLY: bc_q_b, ibc_pt_b, ibc_q_b, pt_surface, q_surface, &
	330	surface_pressure
	331
	332	USE kinds
	333
[1239]	334	IMPLICIT NONE
	335
[1365]	336	INTEGER(iwp) :: nt !:
[1239]	337
[1320]	338	REAL(wp) :: fac !:
	339	REAL(wp), INTENT(in) :: time !:
	340
[1239]	341	!
	342	!-- Interpolation in time of LSF_DATA at the surface
[1365]	343	nt = 1
	344	DO WHILE ( time > time_surf(nt) )
	345	nt = nt + 1
[1239]	346	ENDDO
[1365]	347	IF ( time /= time_surf(nt) ) THEN
	348	nt = nt - 1
[1239]	349	ENDIF
	350
[1365]	351	fac = ( time -time_surf(nt) ) / ( time_surf(nt+1) - time_surf(nt) )
[1239]	352
[1276]	353	IF ( ibc_pt_b == 0 ) THEN
	354	!
	355	!-- In case of Dirichlet boundary condition shf must not
	356	!-- be set - it is calculated via MOST in prandtl_fluxes
[1365]	357	pt_surface = pt_surf(nt) + fac * ( pt_surf(nt+1) - pt_surf(nt) )
[1276]	358
	359	ELSEIF ( ibc_pt_b == 1 ) THEN
	360	!
	361	!-- In case of Neumann boundary condition pt_surface is needed for
	362	!-- calculation of reference density
[1365]	363	shf = shf_surf(nt) + fac * ( shf_surf(nt+1) - shf_surf(nt) )
	364	pt_surface = pt_surf(nt) + fac * ( pt_surf(nt+1) - pt_surf(nt) )
[1276]	365
	366	ENDIF
	367
	368	IF ( ibc_q_b == 0 ) THEN
	369	!
	370	!-- In case of Dirichlet boundary condition qsws must not
	371	!-- be set - it is calculated via MOST in prandtl_fluxes
[1365]	372	q_surface = q_surf(nt) + fac * ( q_surf(nt+1) - q_surf(nt) )
[1276]	373
[1299]	374	ELSEIF ( ibc_q_b == 1 ) THEN
[1276]	375
[1365]	376	qsws = qsws_surf(nt) + fac * ( qsws_surf(nt+1) - qsws_surf(nt) )
[1276]	377
	378	ENDIF
	379
[1365]	380	surface_pressure = p_surf(nt) + fac * ( p_surf(nt+1) - p_surf(nt) )
[1239]	381
	382	END SUBROUTINE ls_forcing_surf
	383
	384
	385	SUBROUTINE ls_forcing_vert ( time )
	386
[1320]	387	USE arrays_3d, &
	388	ONLY: time_vert, ug, ug_vert, vg, vg_vert, w_subs, wsubs_vert
[1239]	389
[1320]	390	USE control_parameters, &
	391	ONLY: large_scale_subsidence
	392
	393	USE kinds
	394
[1239]	395	IMPLICIT NONE
	396
[1365]	397	INTEGER(iwp) :: nt !:
[1239]	398
[1320]	399	REAL(wp) :: fac !:
	400	REAL(wp), INTENT(in) :: time !:
	401
[1239]	402	!
	403	!-- Interpolation in time of LSF_DATA for ug, vg and w_subs
[1365]	404	nt = 1
	405	DO WHILE ( time > time_vert(nt) )
	406	nt = nt + 1
[1239]	407	ENDDO
[1365]	408	IF ( time /= time_vert(nt) ) THEN
	409	nt = nt - 1
[1239]	410	ENDIF
	411
[1365]	412	fac = ( time-time_vert(nt) ) / ( time_vert(nt+1)-time_vert(nt) )
[1239]	413
[1365]	414	ug = ug_vert(:,nt) + fac * ( ug_vert(:,nt+1) - ug_vert(:,nt) )
	415	vg = vg_vert(:,nt) + fac * ( vg_vert(:,nt+1) - vg_vert(:,nt) )
[1239]	416
[1249]	417	IF ( large_scale_subsidence ) THEN
[1365]	418	w_subs = wsubs_vert(:,nt) &
	419	+ fac * ( wsubs_vert(:,nt+1) - wsubs_vert(:,nt) )
[1239]	420	ENDIF
	421
	422	END SUBROUTINE ls_forcing_vert
	423
	424
[1365]	425	!------------------------------------------------------------------------------!
	426	! Call for all grid points
	427	!------------------------------------------------------------------------------!
	428	SUBROUTINE ls_advec ( time, prog_var )
	429
	430	USE arrays_3d, &
[1382]	431	ONLY: td_lsa_lpt, td_lsa_q, td_sub_lpt, td_sub_q, tend, time_vert
[1365]	432
	433	USE control_parameters, &
	434	ONLY: large_scale_subsidence, use_subsidence_tendencies
	435
	436	USE indices
	437
	438	USE kinds
	439
	440	IMPLICIT NONE
	441
	442	CHARACTER (LEN=*) :: prog_var !:
	443
	444	REAL(wp), INTENT(in) :: time !:
	445	REAL(wp) :: fac !:
	446
	447	INTEGER(iwp) :: i !:
	448	INTEGER(iwp) :: j !:
	449	INTEGER(iwp) :: k !:
	450	INTEGER(iwp) :: nt !:
	451
	452	!
	453	!-- Interpolation in time of LSF_DATA
	454	nt = 1
	455	DO WHILE ( time > time_vert(nt) )
	456	nt = nt + 1
	457	ENDDO
	458	IF ( time /= time_vert(nt) ) THEN
	459	nt = nt - 1
	460	ENDIF
	461
	462	fac = ( time-time_vert(nt) ) / ( time_vert(nt+1)-time_vert(nt) )
	463
	464	!
	465	!-- Add horizontal large scale advection tendencies of pt and q
	466	SELECT CASE ( prog_var )
	467
	468	CASE ( 'pt' )
	469
	470	DO i = nxl, nxr
	471	DO j = nys, nyn
	472	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	473	tend(k,j,i) = tend(k,j,i) + td_lsa_lpt(k,nt) + fac * &
	474	( td_lsa_lpt(k,nt+1) - td_lsa_lpt(k,nt) )
[1365]	475	ENDDO
	476	ENDDO
	477	ENDDO
	478
	479	CASE ( 'q' )
	480
	481	DO i = nxl, nxr
	482	DO j = nys, nyn
	483	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	484	tend(k,j,i) = tend(k,j,i) + td_lsa_q(k,nt) + fac * &
	485	( td_lsa_q(k,nt+1) - td_lsa_q(k,nt) )
[1365]	486	ENDDO
	487	ENDDO
	488	ENDDO
	489
	490	END SELECT
	491
	492	!
	493	!-- Subsidence of pt and q with prescribed subsidence tendencies
	494	IF ( large_scale_subsidence .AND. use_subsidence_tendencies ) THEN
	495
	496	SELECT CASE ( prog_var )
	497
	498	CASE ( 'pt' )
	499
	500	DO i = nxl, nxr
	501	DO j = nys, nyn
	502	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	503	tend(k,j,i) = tend(k,j,i) + td_sub_lpt(k,nt) + fac * &
	504	( td_sub_lpt(k,nt+1) - td_sub_lpt(k,nt) )
[1365]	505	ENDDO
	506	ENDDO
	507	ENDDO
	508
	509	CASE ( 'q' )
	510
	511	DO i = nxl, nxr
	512	DO j = nys, nyn
	513	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	514	tend(k,j,i) = tend(k,j,i) + td_sub_q(k,nt) + fac * &
	515	( td_sub_q(k,nt+1) - td_sub_q(k,nt) )
[1365]	516	ENDDO
	517	ENDDO
	518	ENDDO
	519
	520	END SELECT
	521
	522	ENDIF
	523
	524	END SUBROUTINE ls_advec
	525
	526
	527	!------------------------------------------------------------------------------!
	528	! Call for grid point i,j
	529	!------------------------------------------------------------------------------!
	530	SUBROUTINE ls_advec_ij ( i, j, time, prog_var )
	531
	532	USE arrays_3d, &
[1382]	533	ONLY: td_lsa_lpt, td_lsa_q, td_sub_lpt, td_sub_q, tend, time_vert
[1365]	534
	535	USE control_parameters, &
	536	ONLY: large_scale_subsidence, use_subsidence_tendencies
	537
	538	USE indices
	539
	540	USE kinds
	541
	542	IMPLICIT NONE
	543
	544	CHARACTER (LEN=*) :: prog_var !:
	545
	546	REAL(wp), INTENT(in) :: time !:
	547	REAL(wp) :: fac !:
	548
	549	INTEGER(iwp) :: i !:
	550	INTEGER(iwp) :: j !:
	551	INTEGER(iwp) :: k !:
	552	INTEGER(iwp) :: nt !:
	553
	554	!
	555	!-- Interpolation in time of LSF_DATA
	556	nt = 1
	557	DO WHILE ( time > time_vert(nt) )
	558	nt = nt + 1
	559	ENDDO
	560	IF ( time /= time_vert(nt) ) THEN
	561	nt = nt - 1
	562	ENDIF
	563
	564	fac = ( time-time_vert(nt) ) / ( time_vert(nt+1)-time_vert(nt) )
	565
	566	!
	567	!-- Add horizontal large scale advection tendencies of pt and q
	568	SELECT CASE ( prog_var )
	569
	570	CASE ( 'pt' )
	571
	572	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	573	tend(k,j,i) = tend(k,j,i) + td_lsa_lpt(k,nt) &
	574	+ fac * ( td_lsa_lpt(k,nt+1) - td_lsa_lpt(k,nt) )
[1365]	575	ENDDO
	576
	577	CASE ( 'q' )
	578
	579	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	580	tend(k,j,i) = tend(k,j,i) + td_lsa_q(k,nt) &
	581	+ fac * ( td_lsa_q(k,nt+1) - td_lsa_q(k,nt) )
[1365]	582	ENDDO
	583
	584	END SELECT
	585
	586	!
	587	!-- Subsidence of pt and q with prescribed profiles
	588	IF ( large_scale_subsidence .AND. use_subsidence_tendencies ) THEN
	589
	590	SELECT CASE ( prog_var )
	591
	592	CASE ( 'pt' )
	593
	594	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	595	tend(k,j,i) = tend(k,j,i) + td_sub_lpt(k,nt) + fac * &
	596	( td_sub_lpt(k,nt+1) - td_sub_lpt(k,nt) )
[1365]	597	ENDDO
	598
	599	CASE ( 'q' )
	600
	601	DO k = nzb_u_inner(j,i)+1, nzt
[1382]	602	tend(k,j,i) = tend(k,j,i) + td_sub_q(k,nt) + fac * &
	603	( td_sub_q(k,nt+1) - td_sub_q(k,nt) )
[1365]	604	ENDDO
	605
	606	END SELECT
	607
	608	ENDIF
	609
	610	END SUBROUTINE ls_advec_ij
	611
	612
[1239]	613	END MODULE ls_forcing_mod

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