氣候暖化,大西洋颶風可能減少但強度增強 - 颱風討論
By Blanche
at 2008-05-20T04:45
at 2008-05-20T04:45
Table of Contents
Climate change 'to make Atlantic hurricanes rarer'
18 May 2008 | Nature
http://www.nature.com/news/2008/080518/full/news.2008.837.html
前兩天在Nature發表的論文,
NOAA研究人員Thomas Knutson利用區域模式,
預測未來一百年大西洋的颶風生成情形,
發現若假設2100年大西洋海溫升高2.8oC,
屆時每年生成的颶風數目將減少,
其中熱帶氣旋的數目將下降27%,
颶風數目下降18%,
超強颶風數目下降8%。
但是颶風的強度會增加,
還有劇烈降水情況也會變多,
這個預測與MIT的Kerry Emanuel之前得到的結論吻合。
不過也有評論認為,
該研究使用的模式解析度稍低,
可能低估了超強颶風的數目。
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Tags:
颱風
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