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February 5, 2018

Double Glacier, Alaska Retreat at the Double & A Volcanic Ash Blanket

Double Glacier, Alaska in 1986 and 2017 Landsat images.  The 1986 terminus location of the northern Big River Lobe and Southern Drift River Lobe are shown with red arrows. Yellow arrows indicate the 2017 terminus locations.  Purple dots indicate the snowline.  Point A indicates a prominent and expanding nunatak that is below the snowline. Double Glacier is the largest glacier contained within the Lake Clark National Park (LCNP) with an …