An Arctic Decade 2001 - 2011
Saturday, April 2, 2011 - 16:50
in Earth & Climate
An Arctic Decade 2001 - 2011 For thousands of years the Arctic has been covered in perennial ice with seasonal changes at the margins and some natural variation, seen as losses and recoveries of extent. For hundreds of years observers have noted that seasonal and local variations at the margins can leave some relatively small regions ice free one year, and solidly iced up in other years. read more