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Alaskan Beaufort Sea Coast
Released: 08/10/2009
The rate of coastal erosion more than doubled in Alaska-to as much as 45 feet per year-within the 52-year period between 1955 and 2007 along a 37-mile stretch of the Beaufort Sea, with ice-rich coastal bluffs showing the greatest increase in recent erosion rates.

Global Fiducials Library - Barrow, Alaska
Released: 07/16/2009
Sea ice forms along the coast in the winter, and generally melts or breaks away by mid July. Observations of sea ice position reveal considerable year-to-year variability. Changes in the timing of coastal sea ice breakup and in the location of offshore sea ice have significant local impacts: ecological, biological, and human.

Chernobyl
Released: 07/06/2009
A devastating nuclear accident happened at Chernobyl, Ukraine, on 26 April 1986. These Landsat satellite images show the area around the nuclear power plant approximately one month after the accident, and six years after the accident. The most visible change in these images is the abandonment of farm fields, which turn from a bright red-and-white pattern to a dull gray. The area shown in the image is approximately 35-miles by 37-miles (56-km x 59-km).

Aral Sea
Released: 05/18/2009
These images show the Aral Sea, in Central Asia. Because rivers that used to flow into the Aral Sea have been diverted for irrigation, this inland sea has shrunk dramatically.

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Page Last Modified: April 06, 2009