Discriminating irrigated and rainfed olive orchards with thermal ASTER imagery and DART 3D simulation

Discriminating irrigated and rainfed olive orchards with thermal ASTER imagery and DART 3D simulation

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Main Authors: Sepulcre-Cantó, G., Zarco-Tejada, Pablo J., Sobrino, J. A., Jiménez-Berni, José A., Jiménez-Muñoz, J. C., Gastellu-Etchegorry, J. P.
Format: artículo biblioteca
Language:English
Published: Elsevier 2009-01-20
Subjects:ASTER, Canopy temperature, Vegetation index, Rainfed, Irrigated, DART, Radiative transfer,
Online Access:http://hdl.handle.net/10261/10751
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spelling dig-ias-es-10261-107512020-05-08T10:34:45Z Discriminating irrigated and rainfed olive orchards with thermal ASTER imagery and DART 3D simulation Sepulcre-Cantó, G. Zarco-Tejada, Pablo J. Sobrino, J. A. Jiménez-Berni, José A. Jiménez-Muñoz, J. C. Gastellu-Etchegorry, J. P. ASTER Canopy temperature Vegetation index Rainfed Irrigated DART Radiative transfer Article in Press This work provides a description of the research conducted to assess methods for the discrimination between irrigated and rainfed open-tree canopies using advanced spaceborne thermal emission and reflection radiometer (ASTER) satellite imagery and discrete anisotropic radiative transfer (DART) radiative transfer 3D simulation model. Summer and winter ASTER images were acquired over a study area in southern Spain during a 6-year period. A total of 1076 olive orchards were monitored in this area, gathering the field location, field area, tree density, and whether the field was drip irrigated or rainfed. Surface temperature images from ASTER were estimated using the temperature and emissivity separation (TES) method. A panchromatic ortho-rectified imagery dataset collected over the entire area at 0.5 m resolution was used to estimate orchard vegetation cover for each field. Results for summer ASTER thermal images showed differences between irrigated and rainfed orchards of up to 2 K for fields with the same percentage cover, decreasing the differences in ASTER winter images. An approach based on a cumulative index using temperature and the normalized difference vegetation index (NDVI) information for the 6-year ASTER time-series was capable of detecting differences between irrigated and rainfed open-canopy orchards, obtaining 80% success on field-to-field assessments. The method considered that irrigated orchards with equal vegetation cover would yield lower temperature and NDVI than rainfed orchards; an overall accuracy of 75% and a kappa (κ) of 0.34 was obtained with a supervised classification method using visible, near infrared and temperature information for the 6-year ASTER imagery series. These experimental ASTER results were confirmed with DART radiative transfer 3D model used to simulate the influence of vegetation cover, leaf area index (LAI) and background temperature on the irrigated and rainfed orchard temperature at the ASTER pixel size. Financial support from Confederacio´n Hidrogra´fica del Guadalquivir (CHG), and Empresa Pu´ blica para el Desarrollo Agrario y Pesquero (DAP) from Spain is gratefully acknowledged, as well as the support from Junta de Andalucı´a - Excelencia AGR-595, DIMAS (INCO-CT-2004-509087) and the Spanish Ministry of Science and Education (MEC) for the project AGL2005-04049 and CONSOLIDER CSD2006-67. Peer reviewed 2009-02-17T15:23:55Z 2009-02-17T15:23:55Z 2009-01-20 artículo http://purl.org/coar/resource_type/c_6501 Agricultural and Forest Meteorology 0168-1923 http://hdl.handle.net/10261/10751 10.1016/j.agrformet.2008.12.001 en http://dx.doi.org/10.1016/j.agrformet.2008.12.001 none 2761175 bytes application/pdf Elsevier
institution IAS ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-ias-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del IAS España
language English
topic ASTER
Canopy temperature
Vegetation index
Rainfed
Irrigated
DART
Radiative transfer
ASTER
Canopy temperature
Vegetation index
Rainfed
Irrigated
DART
Radiative transfer
spellingShingle ASTER
Canopy temperature
Vegetation index
Rainfed
Irrigated
DART
Radiative transfer
ASTER
Canopy temperature
Vegetation index
Rainfed
Irrigated
DART
Radiative transfer
Sepulcre-Cantó, G.
Zarco-Tejada, Pablo J.
Sobrino, J. A.
Jiménez-Berni, José A.
Jiménez-Muñoz, J. C.
Gastellu-Etchegorry, J. P.
Discriminating irrigated and rainfed olive orchards with thermal ASTER imagery and DART 3D simulation
description Article in Press
format artículo
topic_facet ASTER
Canopy temperature
Vegetation index
Rainfed
Irrigated
DART
Radiative transfer
author Sepulcre-Cantó, G.
Zarco-Tejada, Pablo J.
Sobrino, J. A.
Jiménez-Berni, José A.
Jiménez-Muñoz, J. C.
Gastellu-Etchegorry, J. P.
author_facet Sepulcre-Cantó, G.
Zarco-Tejada, Pablo J.
Sobrino, J. A.
Jiménez-Berni, José A.
Jiménez-Muñoz, J. C.
Gastellu-Etchegorry, J. P.
author_sort Sepulcre-Cantó, G.
title Discriminating irrigated and rainfed olive orchards with thermal ASTER imagery and DART 3D simulation
title_short Discriminating irrigated and rainfed olive orchards with thermal ASTER imagery and DART 3D simulation
title_full Discriminating irrigated and rainfed olive orchards with thermal ASTER imagery and DART 3D simulation
title_fullStr Discriminating irrigated and rainfed olive orchards with thermal ASTER imagery and DART 3D simulation
title_full_unstemmed Discriminating irrigated and rainfed olive orchards with thermal ASTER imagery and DART 3D simulation
title_sort discriminating irrigated and rainfed olive orchards with thermal aster imagery and dart 3d simulation
publisher Elsevier
publishDate 2009-01-20
url http://hdl.handle.net/10261/10751
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