Arctic Ocean Ice: During The Recent Holocene Climate Optimum, It Was Half What It Is Today

Thursday, August 4, 2011 - 14:20 in Earth & Climate

If you are worried about big changes in Arctic sea ice, you are not alone - but it is hard to know how much is worth worrying about.  If you are worried, there is some slightly good news - even if we lose half, it will not be a 'point of no return' according to a new study.Sea ice comes and goes without leaving a record so our knowledge about variations and extent was limited before we had satellite surveillance and observations from airplanes and ships.  Not any more.  Researchers at The Centre for Geogenetics at the Natural History Museum of Denmark, University of Copenhagen say have developed a method by which it is possible to measure the variations in the ice several millennia back in time.read more

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