NDLI: Evaluation of Convair-580 and Simulated Radarsat-2 Polarimetric SAR for Forest Change Detection

Content Provider	IEEE Xplore Digital Library
Author	Goodenough, D.G. Hao Chen Dyk, A.
Copyright Year	2006
Description	Author affiliation: Pacific Forestry Centre, Natural Resources Canada, Victoria, BC (Goodenough, D.G.; Hao Chen; Dyk, A.)
Abstract	Radarsat-2 is a significant advancement in technological capability over Radarsat-1 in terms of better spatial resolution and polarimetric parameters. To determine the effectiveness of C-band polarimetry of Radarsat-2 data for applications of forest typing, structure recognition and disturbance detection, C-band polarimetric data from Environment Canada's Convair-580 were acquired. We also obtained simulated Radarsat-2 data, a degraded version of the Convair-580 data. Polarimetric techniques, such as polarimetric filtering and decompositions, were performed on these data sets. The underlying backscatter phenomena were examined and the results were compared. Historical fire disturbance patterns were detected clearly with the Convair-580 data by using the Entropy- alpha decomposition technique. Moreover, the combination of the surface scattering and volume scattering decompositions showed results in obtaining clearcut information in forested areas. By using the simulated Radarsat-2 data, we gained an insight into what could be expected from real Radarsat-2 quad-pol products. Even though the simulated Radarsat-2 data had more noise than Convair-580 data, the fire scars in the same area were still detectable.
Starting Page	1788
Ending Page	1791
File Size	937595
Page Count	4
File Format	PDF
ISBN	0780395107
DOI	10.1109/IGARSS.2006.462
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-07-31
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radar detection Radar scattering Fires Spatial resolution Polarization Computational modeling Computer simulation Forestry Computer science Polarimetry
Content Type	Text
Resource Type	Article

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