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Pedersen Glacier, Alaska, in 2005

Pedersen Glacier, Alaska, in 2005

E235/0401

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Credit

BRUCE F. MOLNIA, NSIDC, WDC / SCIENCE PHOTO LIBRARY BRUCE F. MOLNIA, NSIDC, WDC / SCIENCE PHOTO LIBRARY

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from the same point in 1920 (E235/400), the glacier (far left) has retreated and surrounding ice has disappeared and been replaced by pasture.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.

Release details

Model release not required. Property release not required.

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