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Sea ice concentration
Proportion of ocean area in a given region that contains or is covered by floating ice.
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Results 1 - 4 of 4 listed alphabetically [list by similarity]
Changing Arctic Ecosystems: Updated forecast: Reducing carbon dioxide (CO2) emissions required to improve polar bear outlook [More info]
Polar bears are endangered by reduction in Arctic sea-ice concentration and by reduction in their supply of prey for food. Models shown here indicate anticipated effects on polar bear populations of several climate change scenarios.
Global sea-surface temperature and sea-ice concentration: data display software [More info]
Downloadable data with software showing composite average ocean characteristics (sea-surface temperature and sea-ice concentration). Includes documentation, source code, data, and executable programs for Linux and Microsoft Windows.
International Polar Year 2007-2008 [More info]
Scientific studies on the polar regions will receive greater attention during 2007-2008 as a result of USGS participation in the International Polar Year, coordinated in the US by the National Research Council, NSF, and NASA.
Pacific Walrus Response to Arctic Sea Ice Losses [More info]
Radio-tracking indicates that walruses will exploit sparse ice to maintain access to preferred foraging areas over the continental shelf.
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