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n. 16 (Xinhua) -- A new research shows the

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n. 16 (Xinhua) -- A new research shows the

Postby zhangsan520 » Wed May 22, 2019 8:07 pm

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SAN FRANCISCO, Jan. 16 (Xinhua) -- A new research shows the fierce winds circling Antarctica, an important lever on the global climate, shifted quickly in response to the Northern Hemisphere temperature spikes during the last ice age, tens of thousands of years ago.


The findings, published in the January issue of Nature Geoscience, Wholesale Basketball Jerseys were based on evidence from a West Antarctic ice core 2 miles, or 3.2 kilometers, in length. The ice core's thick annual layers provide precise dating that allows researchers to match its climate history with those in distant Greenland ice records.


During the last ice age, as part of a dramatic pattern in our planet's climate history, which involves paroxysms in Arctic temperatures, Greenland repeatedly warmed by about 10 degrees Celsius over just a few decades and then gradually cooled, while the Southern Hemisphere climate stayed fairly stable, with only weak and long-delayed echoes of the temperature chaos up north.
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