L-Band Polarimetric SAR Signatures of Lava Flows in the Northern Volcanic Zone, Iceland

Wolfgang Dierking, Henning Haack

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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
Original languageEnglish
Title of host publicationGeoscience and Remote Sensing Symposium Proceedings, 1998. IGARSS '98. 1998 IEEE International
Volume3
PublisherIEEE
Publication date1998
Pages1339-1341
ISBN (Print)0-7803-4403-0
DOIs
Publication statusPublished - 1998
Event1998 IEEE International Geoscience and Remote Sensing Symposium - Seattle, WA, United States
Duration: 6 Jul 199810 Jul 1998
http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=5660

Conference

Conference1998 IEEE International Geoscience and Remote Sensing Symposium
Country/TerritoryUnited States
CitySeattle, WA
Period06/07/199810/07/1998
Internet address

Bibliographical note

Copyright: 1998 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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