Effect of glacial retreat on sub-surface sediment accumulation in Glacier Bay, Alaska: evidence from 3.5 kHz records
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The sediments in three areas of Glacier Bay were analyzed using data obtained through echo sounding. Tarr Inlet, the closest to the Grand Pacific Glacier, showed rounded hummocky structures and less fine-grained sediment. The intact sedimentary layering in Geikie Inlet likely results from its greater distance from the Geikie Glacier. West Arm has more fine silt and clay, and a variety of structures.