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Arctic temperatures at 44,000-year high – The Times of India on Mobile

WASHINGTON: The average summer temperatures in the Canadian Arctic over the last century are the highest in the last 44,000 years, and perhaps as long ago as 120,000 years, a new study has found.

The study is the first direct evidence the present warmth in the Eastern Canadian Arctic exceeds the peak warmth there in the Early Holocene, when the amount of the Sun’s energy reaching the Northern Hemisphere in summer was roughly 9 per cent greater than today, researchers said.

The Holocene is a geological epoch that began after Earth’s last glacial period ended roughly 11,700 years ago and which continues today.

University of Colorado, Boulder geological sciences Professor Gifford Miller and colleagues used dead moss clumps emerging from receding ice caps on Baffin Island as tiny clocks.
More http://m.timesofindia.com/home/environment/global-warming/Arctic-temperatures-at-44000-year-high/articleshow/24705328.cms

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