Pedersen Glacier, Alaska, in 2005

Pedersen Glacier, Alaska, in 2005

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This image is part of the sequence environment: the retreat of Pedersen glacier in Alaska from 1920 to 2005
This image is part of the feature Glacier Retreat


Caption: Glacial retreat. Image 2 of 2. Pedersen Glacier, Kenai Fjords National Park, Alaska, in 2005. Compared to a photograph taken from the same point in 1920 (E235/400), the glacier (far left) has retreated and surrounding ice has disappeared and been replaced by pasture. Glaciers are large, slow-moving expanses of ice, formed from compacted layers of snow. They are sensitive to climate change and in recent years most have retreated dramatically. The National Snow and Ice Data Center (NSIDC) is a US body that supports research into snow, ice, glaciers, frozen ground and climate interactions that make up the Earth's cryosphere. The World Data Center for Glaciology (WDC) in Boulder, USA, is responsible for archiving all available glaciological information.

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