26 Nov '11, 12pm

CLIMATE CHANGE: Arctic sea ice melt 'unprecedented' in past 1,450 years

Friday November 25, 2011, 11:54 am Here is some more recent data: http://wattsupwiththat.com/reference-pages/sea-ice-page/ It looks like there is a natural cycle of a few years with the extent rising and dropping over that period. The extent of ice has apparently gone up since 2007, though (while I haven't done a proper analysis) that may just be random fluctuation. The extent of arctic ice is definitely dropping in a long-term way, but the antarctic ice, which is larger, is not. That tells me there is something happening to the arctic ice which is not happening to the antarctic. My guess is that either this is totally natural, or particulates from wood/coal-burning settled there and changed the heat-absorption. The "totally natural" theory is upheld by the fact that as ice in Greenland recedes, we see more old Viking settlements beneath where it was. (The map commonly use...

Full article: http://www.care2.com/news/member/193692282/3029775

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Arctic Sea Ice Hockey Stick: Melt Unprecedented in Last 1,450 years

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