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Uploaded on Friday 03 Feb 2012
Sea Ice Anomaly in Northern Hemisphere
Riccardo Pravettoni, UNEP/GRID-Arendal
Arctic sea-ice reductions have significant impacts on climate, wildlife and communities. The opening of open water across the Arctic ocean will have unknown consequences in terms of changes in water circulation and redistribution of species from the Atlantic and Pacific oceans. As sea ice coverage declines, albedo diminishes and more radiation is absorbed by the sea water, in a feed-back process that enhances warming and melting sea ice.