August 30, 2008 The global warming debate will get even hotter in the near future with the news that current observations from ESA's Envisat satellite suggest that the extent of Arctic polar sea-ice may this year shrink to a level very close to that of last year's record minimum ice cover. Envisat observations from mid-August depict that a new record of low sea-ice coverage could be reached in a matter of weeks. This animation is a series of mosaics of the Arctic Ocean created from images acquired between early June and mid-August 2008 from the Advanced Synthetic Aperture Radar (ASAR) instrument aboard Envisat. The dark grey colour represents ice-free areas while blue represents areas covered with sea ice. The image at right shows sea-ice coverage as of mid-August 2008 with the red line indicating the all-time minimum Arctic sea-ice coverage in September 2007. Anyone know of any DIY Ark-building courses?
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