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歐洲部分地區而家重凍過北極

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歐洲部分地區而家重凍過北極

文章發表人 mtr 發表於 2018-03-03, 11:43

https://www.nytimes.com/2018/03/01/clim ... -cold.html

Europe Was Colder Than the North Pole This Week. How Could That Be?

... The polar vortex is a low-pressure system that, as its name suggests, ordinarily rests over the North Pole. (There is also a polar vortex over the Antarctic.)

When it behaves normally, the polar vortex helps trap cold air in the Arctic.

" It's locking in that cold air at the high latitudes in the Arctic region,” Dr. Cohen said, comparing the polar vortex to a dam holding back the frigid arctic air from the rest of the Northern Hemisphere.

But sometimes that dam bursts as the polar vortex weakens and allows cold air to escape the Arctic to more temperate climes. This has always happened from time to time, but a growing body of research suggests that because of climate change the warming Arctic is weakening the polar vortex.
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Re: 歐洲部分地區而家重凍過北極

文章發表人 mtr 發表於 2018-03-03, 11:55

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Re: 歐洲部分地區而家重凍過北極

文章發表人 peterso 發表於 2018-03-03, 12:03

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2004-11-16, 18:33

Re: 歐洲部分地區而家重凍過北極

文章發表人 joe 發表於 2018-03-03, 13:58

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