But it also says there is a small probability that the true number is much higher. Somerecent studies have suggested that it could be as high as 10C.
但该概要也声称,真实数据有少许可能还要高得多。一些近期的研究也猜测气温上升可能达到10C之高。
If that were true, disaster beckons.
如果这种猜测属实,灾难说来就来了。
But a paper published in this week s Science, by Andreas Schmittner of Oregon StateUniversity, suggests it is not.
但美国俄勒冈州立大学的安德烈亚斯-施密特纳在本周《科学》杂志上刊登的一篇报告认为,情况并非如此。
In Dr Schmittner s analysis, the climate is less sensitive to carbon dioxide than was feared.
在施密特纳博士的分析中,气候并不像先前人们所担忧的那样对二氧化碳那么敏感。
Existing studies of climate sensitivity mostly rely on data gathered from weather stations,which go back to roughly 1850.
现有的关于气候敏感性的研究主要基于气象站收集的数据,可以追溯到公元1850年左右。
Dr Schmittner takes a different approach. His data come from the peak of the most recentice age, between 19,000 and 23,000 years ago.
施密特纳博士采用了另外一种方法。他的数据来源于最近一次冰河时期的顶峰。
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