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Posts tagged ‘USGS’

Meandering Mississippi

March 11, 2011

MississippiThe Mississippi River—North America‘s largest—unfurls like a teal ribbon through towns, fields, and pastures on the Arkansas-Mississippi border in a 2003 satellite picture.  Overall, the Earth as Art collections provide “fresh and inspiring glimpses of different parts of our planet’s complex surface,” according to the USGS. Image courtesy EROS/USGS/NASA

Glaciers surrounds Baffin Bay

February 8, 2011

Baffin Bay

Along Greenland’s western coast, a small field of glaciers surrounds Baffin Bay.   Image credit: NASA/Landsat
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Spiraling eddies across the northern Pacific Ocean

February 1, 2011

Spiraling eddiesAs air flows over and around objects in its path, spiraling eddies, known as Von Karman vortices, may form. The vortices in this image (from satellite) were created when prevailing winds sweeping east across the northern Pacific Ocean encountered Alaska’s Aleutian Islands.  Image courtesy of USGS National Center for EROS and NASA Landsat Project Science Office