Title :
Monitoring and retrieving rice phenology by means of satellite SAR polarimetry at X-band
Author :
Lopez-Sanchez, J.M. ; Ballester-Berman, J.D. ; Cloude, S.R.
Author_Institution :
DFISTS, Univ. of Alicante, Alicante, Spain
Abstract :
This work presents a study about the evolution of the radar response of rice fields at X-band as a function of their phenology, by using three time series of coherent HHVV dual-pol X-band radar images acquired by the TerraSAR-X sensor at different incidence angles during a whole cultivation season. After analyzing a wide set of polarimetric observables, with particular sensitivities at different moments along the campaign, an approach to retrieve the phenological stage with a single acquisition is proposed and tested.
Keywords :
crops; geophysical image processing; geophysical techniques; image retrieval; radar polarimetry; remote sensing by radar; synthetic aperture radar; time series; HHVV dual pol X-band radar image; TerraSAR-X sensor; phenological stage; radar polarimetry; rice cultivation season; rice field; rice phenology; satellite SAR polarimetry; time series; Entropy; Monitoring; Radar polarimetry; Scattering; Surface morphology; Time series analysis; Agriculture; phenology; radar polarimetry; rice;
Conference_Titel :
Geoscience and Remote Sensing Symposium (IGARSS), 2011 IEEE International
Conference_Location :
Vancouver, BC
Print_ISBN :
978-1-4577-1003-2
DOI :
10.1109/IGARSS.2011.6049781
