Dec 20 2017

Warming Seas Double Snowfall Around North America's Tallest Peaks

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Snowfall on a major summit in North America’s highest mountain range has more than doubled since the beginning of the Industrial Age, according to a study from Dartmouth College, the University of Maine, and the University of New Hampshire.
Categories: News
Aug 25 2017

Arctic Ice Cores Document Climate Change in Past 300 Years

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Ice cores from arctic mountain glaciers show a dramatic climate change that began nearly 300 years ago, documenting an unprecedented increase in the intensity and duration of winter storms. Drilled by a Dartmouth-led team, the cores show striking changes in weather patterns that may have reached as far as Florida.“We attribute these changes to a warming of sea surface temperatures in the tropical Pacific,” says Erich Osterberg, an assistant professor in the Department of Earth Sciences at Dartmouth. “The North Pacific is very sensitive to what happens in the tropics. It is more stormy in Alaska now than at any time in the last 1,200 years, and that is driven by tropical ocean warming.”
Categories: News
Aug 13 2015

Greenland ice sheet's winds driving tundra soil erosion

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Strong winds blowing off the Greenland Ice Sheet are eroding soil and vegetation in the surrounding tundra, making it less productive for caribou and other grazing animals, carbon storage and nutrient cycling, a Dartmouth College study finds.
Categories: News