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Multi-year Arctic Sea Ice Decline (1980-2012) [1080p]

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Published on Mar 5, 2012

The most visible change in the Arctic region in recent years has been the rapid decline of the perennial ice cover. The perennial ice is the portion of the sea ice floating on the surface of the ocean that survives the summer. This ice that spans multiple years represents the thickest component of the sea ice cover.

This visualization shows the perennial Arctic sea ice from 1980 to 2012. The grey disk at the North Pole indicates the region where no satellite data is collected. In the first part of the video, a graph overlay shows the area's size measured in million square kilometers for each year. The '1980','2008', and '2012' data points are highlighted on the graph. The second half of the video omits the graph for ease of viewing the changes in ice during the time period.

credit: NASA/Goddard Space Flight Center Scientific Visualization Studio

source: http://svs.gsfc.nasa.gov/goto?3915

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