NDLI: Detecting crop irrigation status in orchard canopies with airborne and ASTER thermal imagery

Content Provider	IEEE Xplore Digital Library
Author	Sepulcre-Canto, G. Zarco-Tejada, P.J. Jimenez-Berni, J.A. Jimenez-Munoz, J.C. Sobrino, J.A. Rodriguez, A.J. Cifuentes, V.
Copyright Year	2007
Description	Author affiliation: Inst. de Agricultura Sostenible (IAS), Cordoba (Sepulcre-Canto, G.; Zarco-Tejada, P.J.; Jimenez-Berni, J.A.)
Abstract	This work provides a description of the research conducted to assess if ASTER satellite data enable the detection of the water status in orchard tree crops. Summer and winter TERRA-ASTER images were acquired over a study area of Seville in southern Spain over a 6-year period. 1076 olive orchards were monitored in this area, obtaining field location, area, tree density, and irrigation status information. Surface temperature images were obtained using the TES method and 0.5 m resolution panchromatic ortho-rectified imagery collected over the entire area to obtain vegetation cover. A comparison study of the temperature difference between orchards under different irrigation schemes is presented. Results in summer ASTER images showed differences between irrigated and rainfed orchard fields of 2 K, decreasing the differences to 0.5 K in ASTER winter images due to the lack of water stress condition. This methodology could be useful to detect the crop irrigation stratus operationally from ASTER satellite thermal imagery, with potential implications for evapotranspiration studies in non- homogeneous canopies.
Starting Page	3643
Ending Page	3646
File Size	529734
Page Count	4
File Format	PDF
ISBN	9781424412112
DOI	10.1109/IGARSS.2007.4423635
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-07-23
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Crops Irrigation Satellites Thermal stresses Temperature sensors Remote monitoring Thermal conductivity Image resolution Vegetation mapping Remote sensing tree crops ASTER Temperature irrigation status
Content Type	Text
Resource Type	Article

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