27 Sep '12, 6pm

Summer temperatures in the High Arctic are warmer than any time in 1,800 years, a @Lamont_Doherty study says

27 Sep 2012: High-Arctic Summers Are Warmer than Any Time in 1,800 years Summer temperatures on the Norwegian archipelago of Svalbard in the High Arctic are now higher than during any time over the last 1,800 years , including a period of higher temperatures in the northern hemisphere known as the Medieval Warm Period , according to a new study. In an analysis of algae Arctic Tipping Point: A North Pole Without Ice Scientists say this year’s record declines in Arctic sea ice extent and volume are powerful evidence that the giant cap of ice at the top of the planet is on a trajectory to largely disappear in summer within a decade or two, with profound global consequences. READ MORE buried in deep lake sediments, a team of scientists calculated that summer temperatures in Svalbard since 1987 have been 2 to 2.5 degrees Celsius (3.6 to 4.5 degrees F) warmer than during the Med...

Full article: http://e360.yale.edu/digest/high-arctic_summers__are_warm...

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