Arctic sea ice minimum in 2013 is sixth lowest on record
Saturday, September 21, 2013 - 09:00
in Astronomy & Space
After an unusually cold summer in the northernmost latitudes, Arctic sea ice appears to have reached its annual minimum summer extent for 2013 on Sept. 13, scientists have reported. Analysis of satellite data by NSIDC and NASA showed that the sea ice extent shrunk to 1.97 million square miles (5.10 million square kilometers).