Guardian: A pair of animated maps show how records were set in September for the average extents of Arctic and Antarctic sea ice. The time-lapse maps, created by New Scientist's Peter Aldhous, show the average areas of sea ice at each pole for the month of September going back to 1979. Data is taken from the US National Snow and Ice Data Center. Arctic sea ice was at a record low last month - the September average fell year-on-year from 4.61 to 3.61 million km². Simultaneously a record high was set in the...
URL: http://www.guardian.co.uk/news/datablog/interactive/2012/oct/09/arctic-antarctic-sea-ice-extent-records-animated
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