HR: 0800h
AN: G51A-0071    [Abstracts]
TI: SAR interferometry analysis of volcanoes in Kamchatka using ENVISAT and RADARSAT-1 data
AU: * Lundgren, P
EM: paul@weed.jpl.nasa.gov
AF: Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109 United States
AU: Lu, Z
EM: lu@usgs.gov
AF: SAIC, US Geological Survey, EROS Data Center, 47914 252nd St., Sioux Falls, SD 57198 United States
AB: The Kamchatka Peninsula, Russia, is one of the most volcanically active areas in the world. Large andesitic volcanoes such as Sheveluch, Kluchevskoy, Bezymianny, and Karymsky, are highly active and pose a significant risk, especially to commercial air traffic in the northwestern Pacific. We will present preliminary analysis of synthetic aperture radar (SAR) interferometry (InSAR) from the European Space Agency's ENVISAT and the Canadian Space Agency's RADARSAT-1 satellites for the Kamchatka Peninsula. The significant eruptive activity of these volcanoes in recent years suggests that significant deformation may be expected despite the relatively limited time intervals over which RADARSAT-1 (since 1999) and ENVISAT (since 2003) have been well suited and/or available for deformation studies. Initial results suggest reasonable coherence over less vegetated areas near volcanoes, although significant snow and ice on the higher volcanoes and the long winters in Kamchatka limit the space-time coverage of InSAR for these volcanoes. We anticipate a significant assessment of InSAR as applied to the May 10, 2004 eruption of Sheveluch volcano. If significant volcano deformation is found we will present preliminary numerical solutions for its source.
DE: 8414 Eruption mechanisms
DE: 8419 Eruption monitoring (7280)
DE: 8434 Magma migration
DE: 1243 Space geodetic surveys
SC: Geodesy [G]
MN: 2004 AGU Fall Meeting