Dynamic behavior of the Bering Glacier-Bagley icefield system during a surge, and other measurements of Alaskan glaciers with ERS SAR imageryERS-1 synthetic aperture radar (SAR) imagery was employed for the measurement of the dynamics of the Bagley icefield during a major surge in 1993-1994, the measurement of ice velocities on the Malaspina piedmont glacier during a quiescent phase between surges, and for mapping the snow lines and the position of the terminus of Nabesna glacier on Mount Wrangell (a 4317 m andesitic shield volcano) in the heavily glacierized Saint Elias and Wrangell Mountains of Alaska. An overview and summary of results is given. The methods used include interferometry, cross-correlation of sequential images, and digitization of boundaries using terrain-corrected SAR imagery.
Document ID
19990078402
Acquisition Source
Headquarters
Document Type
Conference Paper
Authors
Lingle, Craig S. (Alaska Univ. Fairbanks, AK United States)
Fatland, Dennis R. (Alaska Univ. Fairbanks, AK United States)
Voronina, Vera A. (Alaska Univ. Fairbanks, AK United States)
Ahlnaes, Kristina (Alaska Univ. Fairbanks, AK United States)
Troshina, Elena N. (Alaska Univ. Fairbanks, AK United States)
Date Acquired
August 19, 2013
Publication Date
May 1, 1997
Publication Information
Publication: Proceedings of the 3rd ERS Symposium on Space at the Service of Our Environment