Scientific paper in Science Journal has revealed that summer Arctic sea ice extent during the holocene Thermal Maximum 8000 years ago was less than half of the `record low 2007 level`. The paper found a general build up of sea ice from about 6000 years before the present which reached a maximum during the Little Ice Age(which ended around 1850) and attained its present extent at 4000 years before the present. (Science 5 August 2011 Vol 333 No 6043 PP 747-750. Reported in hockeyschtick.blogspot .co.uk.
hockeyschtick.blogspot.co.uk/2012/08/paper-finds-arctic-sea-ice-extent-8000.html Also the NSIDC product ,the new and improved multisensor MASIE shows no record low at 4.7 million Km2!
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