Archive - Two Different Valleys at Glacier Bay, Alaska
November 03, 2019
Each Sunday we present a notable item from our archives. This EPOD was originally published November 6, 2013.
Photographer: Bryce Hand
Summary Author: Bryce Hand
The photo shown here features two valleys, one superimposed on another, that were formed in very different ways. It was taken from a cruise ship at Glacier Bay, Alaska. Compare the raw V-shaped, stream-cut canyon with the U-shaped glacially-modified valley. As depicted in the illustration, the meltwater stream has cut through an old moraine, creating a gorge that has subsequently never been subjected to glaciation. As a result, it has a considerably sharper profile. Photo taken on September 1, 2013.
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