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New Snow and Ice Data for Google Earth
Sea Ice Extent from NSIDC in Google EarthThe National Snow and Ice Data Center (NSIDC) is part of the University of Colorado and affiliated with NOAA. Last April the NSIDC released a Google Earth collection showing examples of glacier melting by showing the locations in GE along with photographic pairs from years ago compared to today. With the increased focus on ice and the polar regions of Earth (since the start of the International Polar Year), the NSIDC has released some new GE content. They have a page dedicated to GE content on snow and ice, and a "Featured Data" section. One of the featured content collections shows the sea ice growing and shrinking over time for both poles.
Download the Sea Ice file. You must have Google Earth installed, and you will immediately see an "animation" showing the ice extent around the poles during the month of September from 1979 through 2006.