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source: palm/trunk/SOURCE/plant_canopy_model.f90 @ 1438

Last change on this file since 1438 was 1341, checked in by kanani, 10 years ago
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[138]	1	MODULE plant_canopy_model_mod
	2
[1036]	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
[1036]	18	!--------------------------------------------------------------------------------!
	19	!
[257]	20	! Current revisions:
[138]	21	! -----------------
[1341]	22	!
	23	!
[1321]	24	! Former revisions:
	25	! -----------------
	26	! $Id: plant_canopy_model.f90 1341 2014-03-25 19:48:09Z heinze $
	27	!
[1341]	28	! 1340 2014-03-25 19:45:13Z kanani
	29	! REAL constants defined as wp-kind
	30	!
[1321]	31	! 1320 2014-03-20 08:40:49Z raasch
[1320]	32	! ONLY-attribute added to USE-statements,
	33	! kind-parameters added to all INTEGER and REAL declaration statements,
	34	! kinds are defined in new module kinds,
	35	! old module precision_kind is removed,
	36	! revision history before 2012 removed,
	37	! comment fields (!:) to be used for variable explanations added to
	38	! all variable declaration statements
[153]	39	!
[1037]	40	! 1036 2012-10-22 13:43:42Z raasch
	41	! code put under GPL (PALM 3.9)
	42	!
[139]	43	! 138 2007-11-28 10:03:58Z letzel
	44	! Initial revision
	45	!
[138]	46	! Description:
	47	! ------------
[153]	48	! Evaluation of sinks and sources of momentum, heat and scalar concentration
	49	! due to canopy elements
[138]	50	!------------------------------------------------------------------------------!
	51
	52	PRIVATE
	53	PUBLIC plant_canopy_model
	54
	55	INTERFACE plant_canopy_model
	56	MODULE PROCEDURE plant_canopy_model
	57	MODULE PROCEDURE plant_canopy_model_ij
	58	END INTERFACE plant_canopy_model
	59
	60	CONTAINS
	61
	62
	63	!------------------------------------------------------------------------------!
	64	! Call for all grid points
	65	!------------------------------------------------------------------------------!
	66	SUBROUTINE plant_canopy_model( component )
	67
[1320]	68	USE arrays_3d, &
	69	ONLY: canopy_heat_flux, cdc, dzw, e, lad_s, lad_u, lad_v, lad_w, &
	70	q, sec, sls, tend, u, v, w
[138]	71
[1320]	72	USE control_parameters, &
	73	ONLY: pch_index, message_string
	74
	75	USE indices, &
	76	ONLY: nxl, nxlu, nxr, nys, nysv, nyn, nzb_s_inner, nzb_u_inner, &
	77	nzb_v_inner, nzb_w_inner
	78
	79	USE kinds
	80
[138]	81	IMPLICIT NONE
	82
[1320]	83	INTEGER(iwp) :: component !:
	84	INTEGER(iwp) :: i !:
	85	INTEGER(iwp) :: j !:
	86	INTEGER(iwp) :: k !:
[138]	87
	88	!
	89	!-- Compute drag for the three velocity components and the SGS-TKE
	90	SELECT CASE ( component )
	91
	92	!
	93	!-- u-component
	94	CASE ( 1 )
	95	DO i = nxlu, nxr
	96	DO j = nys, nyn
	97	DO k = nzb_u_inner(j,i)+1, pch_index
	98	tend(k,j,i) = tend(k,j,i) - &
	99	cdc(k,j,i) * lad_u(k,j,i) * &
	100	SQRT( u(k,j,i)**2 + &
	101	( ( v(k,j,i-1) + &
	102	v(k,j,i) + &
	103	v(k,j+1,i) + &
[153]	104	v(k,j+1,i-1) ) &
[1340]	105	/ 4.0_wp )**2 + &
[138]	106	( ( w(k-1,j,i-1) + &
	107	w(k-1,j,i) + &
	108	w(k,j,i-1) + &
	109	w(k,j,i) ) &
[1340]	110	/ 4.0_wp )*2 ) &
[138]	111	u(k,j,i)
	112	ENDDO
	113	ENDDO
	114	ENDDO
	115
	116	!
	117	!-- v-component
	118	CASE ( 2 )
	119	DO i = nxl, nxr
	120	DO j = nysv, nyn
	121	DO k = nzb_v_inner(j,i)+1, pch_index
	122	tend(k,j,i) = tend(k,j,i) - &
	123	cdc(k,j,i) * lad_v(k,j,i) * &
	124	SQRT( ( ( u(k,j-1,i) + &
	125	u(k,j-1,i+1) + &
	126	u(k,j,i) + &
	127	u(k,j,i+1) ) &
[1340]	128	/ 4.0_wp )**2 + &
[138]	129	v(k,j,i)**2 + &
	130	( ( w(k-1,j-1,i) + &
	131	w(k-1,j,i) + &
	132	w(k,j-1,i) + &
	133	w(k,j,i) ) &
[1340]	134	/ 4.0_wp )*2 ) &
[138]	135	v(k,j,i)
	136	ENDDO
	137	ENDDO
	138	ENDDO
	139
	140	!
	141	!-- w-component
	142	CASE ( 3 )
	143	DO i = nxl, nxr
	144	DO j = nys, nyn
	145	DO k = nzb_w_inner(j,i)+1, pch_index
	146	tend(k,j,i) = tend(k,j,i) - &
	147	cdc(k,j,i) * lad_w(k,j,i) * &
	148	SQRT( ( ( u(k,j,i) + &
	149	u(k,j,i+1) + &
	150	u(k+1,j,i) + &
	151	u(k+1,j,i+1) ) &
[1340]	152	/ 4.0_wp )**2 + &
[138]	153	( ( v(k,j,i) + &
	154	v(k,j+1,i) + &
	155	v(k+1,j,i) + &
	156	v(k+1,j+1,i) ) &
[1340]	157	/ 4.0_wp )**2 + &
[138]	158	w(k,j,i)*2 ) &
	159	w(k,j,i)
	160	ENDDO
	161	ENDDO
	162	ENDDO
	163
	164	!
[153]	165	!-- potential temperature
[138]	166	CASE ( 4 )
	167	DO i = nxl, nxr
	168	DO j = nys, nyn
	169	DO k = nzb_s_inner(j,i)+1, pch_index
[1320]	170	tend(k,j,i) = tend(k,j,i) + &
[153]	171	( canopy_heat_flux(k,j,i) - &
	172	canopy_heat_flux(k-1,j,i) ) / &
	173	dzw(k)
	174	ENDDO
	175	ENDDO
	176	ENDDO
	177
	178	!
	179	!-- scalar concentration
	180	CASE ( 5 )
	181	DO i = nxl, nxr
	182	DO j = nys, nyn
	183	DO k = nzb_s_inner(j,i)+1, pch_index
[138]	184	tend(k,j,i) = tend(k,j,i) - &
[153]	185	sec(k,j,i) * lad_s(k,j,i) * &
	186	SQRT( ( ( u(k,j,i) + &
	187	u(k,j,i+1) ) &
[1340]	188	/ 2.0_wp )**2 + &
[153]	189	( ( v(k,j,i) + &
	190	v(k,j+1,i) ) &
[1340]	191	/ 2.0_wp )**2 + &
[153]	192	( ( w(k-1,j,i) + &
	193	w(k,j,i) ) &
[1340]	194	/ 2.0_wp )*2 ) &
[153]	195	( q(k,j,i) - sls(k,j,i) )
	196	ENDDO
	197	ENDDO
	198	ENDDO
	199
	200	!
	201	!-- sgs-tke
	202	CASE ( 6 )
	203	DO i = nxl, nxr
	204	DO j = nys, nyn
	205	DO k = nzb_s_inner(j,i)+1, pch_index
	206	tend(k,j,i) = tend(k,j,i) - &
[1340]	207	2.0_wp * cdc(k,j,i) * lad_s(k,j,i) * &
[138]	208	SQRT( ( ( u(k,j,i) + &
	209	u(k,j,i+1) ) &
[1340]	210	/ 2.0_wp )**2 + &
[138]	211	( ( v(k,j,i) + &
	212	v(k,j+1,i) ) &
[1340]	213	/ 2.0_wp )**2 + &
[138]	214	( ( w(k,j,i) + &
	215	w(k+1,j,i) ) &
[1340]	216	/ 2.0_wp )*2 ) &
[138]	217	e(k,j,i)
	218	ENDDO
	219	ENDDO
	220	ENDDO
	221
	222	CASE DEFAULT
	223
[257]	224	WRITE( message_string, * ) 'wrong component: ', component
	225	CALL message( 'plant_canopy_model', 'PA0279', 1, 2, 0, 6, 0 )
[138]	226
	227	END SELECT
	228
	229	END SUBROUTINE plant_canopy_model
	230
	231
	232	!------------------------------------------------------------------------------!
	233	! Call for grid point i,j
	234	!------------------------------------------------------------------------------!
	235	SUBROUTINE plant_canopy_model_ij( i, j, component )
	236
[1320]	237	USE arrays_3d, &
	238	ONLY: canopy_heat_flux, cdc, dzw, e, lad_s, lad_u, lad_v, lad_w, &
	239	q, sec, sls, tend, u, v, w
[138]	240
[1320]	241	USE control_parameters, &
	242	ONLY: pch_index, message_string
	243
	244	USE indices, &
	245	ONLY: nxl, nxlu, nxr, nys, nysv, nyn, nzb_s_inner, nzb_u_inner, &
	246	nzb_v_inner, nzb_w_inner
	247
	248	USE kinds
	249
[138]	250	IMPLICIT NONE
	251
[1320]	252	INTEGER(iwp) :: component !:
	253	INTEGER(iwp) :: i !:
	254	INTEGER(iwp) :: j !:
	255	INTEGER(iwp) :: k !:
[138]	256
	257	!
[1320]	258	!-- Compute drag for the three velocity components
[142]	259	SELECT CASE ( component )
[138]	260
	261	!
[142]	262	!-- u-component
	263	CASE ( 1 )
	264	DO k = nzb_u_inner(j,i)+1, pch_index
[1320]	265	tend(k,j,i) = tend(k,j,i) - &
[142]	266	cdc(k,j,i) * lad_u(k,j,i) * &
	267	SQRT( u(k,j,i)**2 + &
	268	( ( v(k,j,i-1) + &
	269	v(k,j,i) + &
	270	v(k,j+1,i) + &
[153]	271	v(k,j+1,i-1) ) &
[1340]	272	/ 4.0_wp )**2 + &
[142]	273	( ( w(k-1,j,i-1) + &
	274	w(k-1,j,i) + &
	275	w(k,j,i-1) + &
	276	w(k,j,i) ) &
[1340]	277	/ 4.0_wp )*2 ) &
[142]	278	u(k,j,i)
	279	ENDDO
[138]	280
	281	!
[142]	282	!-- v-component
	283	CASE ( 2 )
	284	DO k = nzb_v_inner(j,i)+1, pch_index
[1320]	285	tend(k,j,i) = tend(k,j,i) - &
[142]	286	cdc(k,j,i) * lad_v(k,j,i) * &
	287	SQRT( ( ( u(k,j-1,i) + &
	288	u(k,j-1,i+1) + &
	289	u(k,j,i) + &
	290	u(k,j,i+1) ) &
[1340]	291	/ 4.0_wp )**2 + &
[142]	292	v(k,j,i)**2 + &
	293	( ( w(k-1,j-1,i) + &
	294	w(k-1,j,i) + &
	295	w(k,j-1,i) + &
	296	w(k,j,i) ) &
[1340]	297	/ 4.0_wp )*2 ) &
[142]	298	v(k,j,i)
	299	ENDDO
[138]	300
	301	!
[142]	302	!-- w-component
	303	CASE ( 3 )
	304	DO k = nzb_w_inner(j,i)+1, pch_index
[1320]	305	tend(k,j,i) = tend(k,j,i) - &
[142]	306	cdc(k,j,i) * lad_w(k,j,i) * &
	307	SQRT( ( ( u(k,j,i) + &
	308	u(k,j,i+1) + &
	309	u(k+1,j,i) + &
	310	u(k+1,j,i+1) ) &
[1340]	311	/ 4.0_wp )**2 + &
[142]	312	( ( v(k,j,i) + &
	313	v(k,j+1,i) + &
	314	v(k+1,j,i) + &
	315	v(k+1,j+1,i) ) &
[1340]	316	/ 4.0_wp )**2 + &
[142]	317	w(k,j,i)*2 ) &
	318	w(k,j,i)
[138]	319
[142]	320	ENDDO
[138]	321
	322	!
[153]	323	!-- potential temperature
	324	CASE ( 4 )
	325	DO k = nzb_s_inner(j,i)+1, pch_index
[1320]	326	tend(k,j,i) = tend(k,j,i) + &
[153]	327	( canopy_heat_flux(k,j,i) - &
	328	canopy_heat_flux(k-1,j,i) ) / &
	329	dzw(k)
	330	ENDDO
	331
	332
	333	!
	334	!-- scalar concentration
	335	CASE ( 5 )
	336	DO k = nzb_s_inner(j,i)+1, pch_index
	337	tend(k,j,i) = tend(k,j,i) - &
	338	sec(k,j,i) * lad_s(k,j,i) * &
	339	SQRT( ( ( u(k,j,i) + &
	340	u(k,j,i+1) ) &
[1340]	341	/ 2.0_wp )**2 + &
[153]	342	( ( v(k,j,i) + &
	343	v(k,j+1,i) ) &
[1340]	344	/ 2.0_wp )**2 + &
[153]	345	( ( w(k-1,j,i) + &
	346	w(k,j,i) ) &
[1340]	347	/ 2.0_wp )*2 ) &
[153]	348	( q(k,j,i) - sls(k,j,i) )
	349	ENDDO
	350
	351	!
[142]	352	!-- sgs-tke
[153]	353	CASE ( 6 )
[142]	354	DO k = nzb_s_inner(j,i)+1, pch_index
[1320]	355	tend(k,j,i) = tend(k,j,i) - &
[1340]	356	2.0_wp * cdc(k,j,i) * lad_s(k,j,i) * &
[142]	357	SQRT( ( ( u(k,j,i) + &
	358	u(k,j,i+1) ) &
[1340]	359	/ 2.0_wp )**2 + &
[142]	360	( ( v(k,j,i) + &
	361	v(k,j+1,i) ) &
[1340]	362	/ 2.0_wp )**2 + &
[142]	363	( ( w(k,j,i) + &
	364	w(k+1,j,i) ) &
[1340]	365	/ 2.0_wp )*2 ) &
[142]	366	e(k,j,i)
	367	ENDDO
[138]	368
[142]	369	CASE DEFAULT
[138]	370
[257]	371	WRITE( message_string, * ) 'wrong component: ', component
	372	CALL message( 'plant_canopy_model', 'PA0279', 1, 2, 0, 6, 0 )
[138]	373
[142]	374	END SELECT
[138]	375
	376	END SUBROUTINE plant_canopy_model_ij
	377
	378	END MODULE plant_canopy_model_mod

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