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July 20, 2017
Ellsworth Glacier Retreat & Lake Expansion, Alaska
Ellsworth Glacier in 1989 and 2016 Landsat images. Upper yellow arrow marks the west terminus in 2016 and the lower yellow the 2016 east margin. Purple dots mark the snowline and purple arrows tributaries from the east that are thinning and disconnecting. Orange arrow marks icebergs in the lake. Ellsworth Glacier is a valley glacier draining south from Sargent Icefield on the Kenai Peninsula in Alaska. Along with the Excelsior Glacier it …
Dean of Academic Affairs at Nichols College and Professor of Environmental Science at Nichols College in Massachusetts since 1989. Glaciologist directing the North Cascade Glacier Climate Project since 1984. This project monitors the mass balance and behavior of more glaciers than any other in North America.