海洋變暖導(dǎo)致颶風(fēng)增加英語(yǔ)美文
Scientists have quantified for the first time the link between warming oceans and increased hurricane activity. The research at University College London shows that a 0.5°C increase in sea surface temperature – which is within the range expected over the next few years – would cause a 40 per cent increase in North Atlantic hurricanes.
The mathematical study, published in Nature yesterday, also finds that local sea surface warming was responsible for about 40 per cent of the increase in Atlantic hurricane activity (relative to the 1950-2000 average) between 1996 and 2005. During that period the sea surface warmed by 0.27°C. Other factors would have caused the remaining 60 per cent of storm activity.
Matt Huddleston, climate change specialist at the UK Met Office said: “This paper is important in that it suggests the link between tropical storms and the warm Atlantic surface waters is perhaps stronger than realised in recent decades, and this has huge implications for the impacts of potentially damaging hurricanes on infrastructure in the US and the financial markets globally.”
科學(xué)家日前首次對(duì)海洋變暖與颶風(fēng)活動(dòng)增加之間的關(guān)系進(jìn)行了量化分析。倫敦大學(xué)學(xué)院(University College London)的研究顯示，海洋表面溫度每升高0.5攝氏度(這一幅度處于未來(lái)幾年海洋變暖幅度的預(yù)期范圍之內(nèi))，將導(dǎo)致北大西洋的颶風(fēng)數(shù)量增加40%。
這項(xiàng)研究昨日發(fā)表在《自然》(Nature)雜志上。這一數(shù)學(xué)分析還發(fā)現(xiàn)，相對(duì)于1950年至2000年的平均水平，在1996年至2005年間，大西洋的颶風(fēng)活動(dòng)更加頻繁，其中大約40%的.原因來(lái)自于當(dāng)?shù)睾Ｑ蟊砻孀兣Ｔ诖似陂g，海洋表面溫度上升了0.27攝氏度。導(dǎo)致颶風(fēng)活動(dòng)增加的另外60%的原因來(lái)自其它因素。
英國(guó)氣象局(Met Office)的氣候變遷問(wèn)題專家馬特?赫德萊斯頓(Matt Huddleston)表示：“這份研究非常重要，它表明，熱帶風(fēng)暴與溫暖的大西洋表層之間的關(guān)系可能比我們過(guò)去幾十年所認(rèn)為的更強(qiáng);而且，這充分暗示了可能極具破壞力的颶風(fēng)對(duì)美國(guó)基礎(chǔ)設(shè)施和全球金融市場(chǎng)的影響。”
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