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First Results of Rice Monitoring Practices in Spain by Means of Time Series of TerraSAR-X Dual-Pol Images

Lopez-Sanchez, J. M. and Ballester-Berman, J. D. and Hajnsek, Irena (2011) First Results of Rice Monitoring Practices in Spain by Means of Time Series of TerraSAR-X Dual-Pol Images. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 4 (2), pp. 412-422. IEEE-GRSS. ISSN 1939-1404.

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Abstract

Time series of dual-pol TerraSAR-X images have been acquired during the whole cultivation period over a rice site in Spain. The objective of this paper is to investigate the coherent co-polarized behavior of rice plants during the growing stages and to explore their information content for rice monitoring at high frequencies recently available through new SAR satellite missions. Among different observations, the backscattering coefficients at HHand VV channels and the HH/VV ratio have confirmed to show a temporal variation that has a significant correlation with the development of the plants during the vegetative and reproductive phenological phases. A physical interpretation in terms of the scattering mechanisms and extinction has been provided for this response. In addition, the information content of the HHVV complex coherence and a dual polarimetric target decomposition is investigated and discussed. All the information layers investigated are contributing to the discrimination of rice fields from other crop types. Apart of polarization, also the effect of high spatial resolution imaging for rice monitoring is of high interest for any kind of growth disturbances that may occur within one field for yield production.

Document Type:Article
Title:First Results of Rice Monitoring Practices in Spain by Means of Time Series of TerraSAR-X Dual-Pol Images
Authors:
AuthorsInstitution or Email of Authors
Lopez-Sanchez, J. M. University of Alicante
Ballester-Berman, J. D. University of Alicante
Hajnsek, IrenaDLR-HR
Date:1 June 2011
Journal or Publication Title:IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Refereed publication:Yes
In Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:4
Page Range:pp. 412-422
Publisher:IEEE-GRSS
Series Name:IEEE
ISSN:1939-1404
Status:Published
Keywords:Agriculture, polarimetry, radar, time series, vegetation
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Prosmart, Smart-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Dr.rer.nat. Irena Hajnsek
Deposited On:16 Jun 2011 09:44
Last Modified:07 Feb 2013 20:21

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