Saturday, July 16th, 2011
Tokositna Glacier Moulin

This aerial view of a tiny portion of the Tokositna Glacier reveals how meltwater is carried from the surface of glacier through a moulin and eventually to the base of the glacier. Moulins are often referred to as being part of a glacier’s internal “plumbing” system. They can be up to 30 feet wide and typically form in flat areas of a glacier.

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