2012-09-24. What Will Ice-Free Arctic Summers Bring?

posted Oct 3, 2012, 1:50 PM by Lisa Ou
 | by David Biello, Scientific American. An article relevant to GSS Energy Use chapter 6. Excerpt: On Sunday, September 16, the sun did not rise above the horizon in the Arctic. Nevertheless enough of the sun's heat had poured over the North Pole during the summer months to cause the largest loss of Arctic sea ice cover since satellite records began in the 1970s…Arctic ice influences atmospheric circulation and, hence, weather and climate. Take away the ice and impacts seem sure to follow. There's more warming to come, as well, particularly in the Arctic, which is warming faster than the rest of the globe. Given cumulative greenhouse gas emissions, there's likely at least as much warming to come as has occurred to date—a rise of 0.8 degree Celsius in global average temperatures, most of that in the past 30 years..... Read the full article: http://www.scientificamerican.com/article.cfm?id=arctic-sea-ice-loss-implications