English   español  
Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/166445
COMPARTIR / IMPACTO:
Estadísticas
logo share SHARE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:
Título

A Tool For Detecting Crop Water Status Using Airborne High-resolution Thermal Imagery

AutorBellvert, Joaquim; Zarco-Tejada, Pablo J. ; Girona, Joan; González-Dugo, María P.; Fereres Castiel, Elías
Palabras claveRemote sensing
Leaf water potential
Crop water status
Crop water stress index
Fecha de publicación2014
EditorWIT Press
CitaciónWIT Transactions on Ecology and The Environment 185: 25-31(2014)
ResumenKnowledge on crop water status at the orchard scale is necessary for the efficient management of irrigation water. Canopy temperature has long been recognized as a plant water status indicator, and crop water stress index (CWSI), which is obtained from canopy temperature could be used as a tool for remotely detecting plant water status from airborne high-resolution thermal imagery. In 2012, CWSI baselines for olive and peach trees were derived from infrared thermometer data. An aircraft equipped with a thermal sensor flew over two orchards acquiring high-resolution thermal images. At the same time, leaf water potential (ΨL) was measured in eighteen trees per specie. Relationship between the difference of canopy and air temperature (Tc-Ta) and ΨL had a R2 of 0.74 and 0.82, for peach and olive, respectively. CWSI ranged from zero to one and showed a significant correlation with ΨL. Maps of estimated ΨL (derived from CWSI - ΨL relationships) were able to detect the spatial variability of plant water status within the orchards, and may be a feasible tool for irrigation purposes.
DescripciónTrabajo presentado en la V Sustainable Irrigation and Drainage Conference.
Versión del editorhttp://dx.doi.org/10.2495/SI140031
URIhttp://hdl.handle.net/10261/166445
DOI10.2495/SI140031
ISSN1743-3541
Aparece en las colecciones: (IAS) Artículos
Ficheros en este ítem:
Fichero Descripción Tamaño Formato  
crop_water_status_Bellvert .pdf3,22 MBAdobe PDFVista previa
Visualizar/Abrir
Mostrar el registro completo
 


NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.