Flushing Lake Atna: Late Quaternary Megafloods in South-Central Alaska

• Main Author: Wiedmer, Michael
• Format: Conference Object
• Language: English
• Published: University of Washington Water Center 2010
• Subjects: floods; glaciation; glaciers; Alaska; water; Glacial Lake
• Online Access: http://hdl.handle.net/1773/16394

Geomorphic, stratigraphic, geotechnical, and biogeographic evidence indicate that failure of a Pleistocene ice dam generated a megaflood from glacial Lake Atna down the Matanuska Valley in south-central Alaska. While it has long been recognized that Pleistocene Lake Atna occupied ≥9000 km2 of the Co...