Is ºC record of over 2C for MIS11 common knowledge? I recall having seen 1.2C and certainly never such a high ºC for any of the interglacials, yet the graph goes even up to 6C for Eemian (MIS5). Is it showing a regional "Antarctic amplification" at Vostok
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In "MIS11" 424-390k yrs ago, Arctic summer sea ice was sporadic and West Greenland was ice free. Which meant more heat from less albedo than today, dunno how much, tho. And a max of 800ppb CH4 only contributed 0.26C, according to my formula. Yet at 290ppm
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RT @MkirbyE: Cool! Evidence for “recent” Arctic seasonally sea ice-free conditions. “Interglacial Paleoclimate in the Arctic” - Cronin - 20…