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New paper links Arctic sea ice extent to absorption of sunlight by clouds

The Hockeyschtick writes: A new paper published in the Journal of Geophysical Research Atmospheres finds Arctic sea ice concentrations at the low of each summer are related to absorption of sunlight by cloud cover at the top of the atmosphere in early summer, a phenomenon “not represented in most of current climate models.” According to…

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Historic Variations in Arctic Sea Ice – Part Two

Guest essay by Tony brown Foreword Note; Last year an edited version of this article appeared at Climate Etc. This new version contains numerous additional references, graphics, quotes, more historic detail and updates. http://judithcurry.com/2013/04/10/historic-variations-in-arctic-sea-ice-part-ii-1920-1950/ ‘Historic variations in Arctic Ice’ is a series of articles that attempts to determine the arctic warming events through the Holocene…