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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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.
|Title:||First Results of Rice Monitoring Practices in Spain by Means of Time Series of TerraSAR-X Dual-Pol Images|
|Date:||01 June 2011|
|Journal or Publication Title:||IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing|
|In Open Access:||No|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 412-422|
|Keywords:||Agriculture, polarimetry, radar, time series, vegetation|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|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)|
|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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