Shifting Arctic Wind Patterns May Cause Increased Melt, Study Says

Yale Environment 360: U.S. scientists say unusual air pressure patterns over the Arctic during the month of June in recent years have altered wind patterns in the region, funneling warmer air into the Arctic and contributing to record low Arctic summer sea ice extent from 2007 to 2012. Writing in the journal Geophysical Research Letters, a team of researchers illustrated how the formation of two unusual high pressure areas over the North American Arctic and Greenland disrupted the normal westerly flow of winds, creating...

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Enclosure: http://www.agu.org/pubs/crossref/2012/2012GL053268.shtml