One potent storm from 1979, Typhoon Tip, holds the record for the lowest atmosphericpressure recorded, another measure of a storm s intensity.
另一项台风强度的测算显示,1979年的超级强台风泰培保持了最低大气压的记录。
Yet levels of carbon dioxide, the main greenhouse gas, were only 337 parts per million in1979, compared with 394ppm in 2012.
然而,相比2012年的394ppm,主要温室气体二氧化碳的浓度在1979年仅为337ppm。
The IPCC concludes that, although there is good evidence for more and stronger Atlantichurricanes over the past 40 years, there is no consensus on the cause of them.
IPCC推断,虽然有充分的证据显示,在过去的40年间,大西洋的飓风正变得更为频繁和猛烈,但IPCC表示,对于此现象的起因,业内并未形成共识。
Worldwide, there is no trend in either the frequency or the intensity of tropical storms.
在世界范围内,关于热带风暴发生的频率或强度的趋势依旧无迹可寻。
And, given the rarity of such storms as Typhoon Haiyan, it will take a long time for anytrend to become apparent.
不仅如此,由于像台风海燕这样的罕见风暴的出现,在相当长一段时间内,风暴的趋势将愈加扑朔迷离。
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