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January 26, 2014
Walker Glacier Retreat and Lake Development, Alaska
Google Earth Image indicating flow of Walker Glacier. Walker Glacier terminates adjacent to the Alsek River, a popular rafting river route. Many rafting trips visit Walker Glacier since it is close to river, has a low slope and few crevasses.In 1984 the glacier ended as a piedmont lobe separated from the river by meters. Today the terminus has retreated into a lake basin at the terminus. Here we examine Landsat …