NDLI: L-band polarimetric SAR-signatures of lava flows in the Northern Volcanic Zone, Iceland

Content Provider	IEEE Xplore Digital Library
Author	Dierking, W. Haack, H.
Copyright Year	1998
Description	Author affiliation: Center for Remote Sensing, Tech. Univ., Lyngby, Denmark (Dierking, W.)
Abstract	Studies of radar scattering signatures typical for lava surfaces are needed in order to interprete SAR images of volcanic terrain on the Earth and on other planets, and to establish a physical basis for the choice of optimal radar configurations for geological mapping. The authors focus on a study of polarimetric L-band radar signatures observed over different lava flows located in the Northern Volcanic Zone in Iceland. Intensity images with a high spatial resolution are well suited for geological interpretation, both in the discrimination of lava flows from the surrounding terrain and in the recognition of different morphologic types within a flow. The largest contrasts are observed at cross-polarization. The phase difference between the VV- and HH-channels may provide information about a vegetation cover on the lava. The radar signal scattered from the flows is dominated by surface scattering contributions with a comparatively large fraction of multiple scattering. Other scattering mechanisms can not be recognized.
Starting Page	1339
Ending Page	1341
File Size	249367
Page Count	3
File Format	PDF
ISBN	0780344030
DOI	10.1109/IGARSS.1998.691402
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-07-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	L-band Radar scattering Surface morphology Radar imaging Radar polarimetry Geology Synthetic aperture radar Earth Planets Terrain mapping
Content Type	Text
Resource Type	Article

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