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发布时间：2006-06-23 21:17     点击：

　　“This will probably convince others to search around more for even better methods.”said Weare.He added that the new method“makes it possible to predict El Nino at 1ong lead times.” Other models also use sea-surface temperatures， but they have not looked as far back because they need other data，which is only available for recent decades，Weare said.

　　The ability to predict the warming and cooling of the Pacitic is of immense importance'。The 1997 El Nino，for example，caused an estimated$20 billion in damage worldwide，offset by beneficial effects in other areas，said David Anderson，of the European Centre for Medium.Range Weather Forecasts in Reading England.The 1877 El Nino，meanwhile，coincided with a failure of the Indian monsoon and a famine that killed perhaps 40 million in India and China.prompting the development of seasonal forecasting，Anderson said.

　　When El Nino hit in 199 1 and 1997.200 million people were affected by flooding in China alone.according to a 2002 United Nations report.

　　While predicting smaller E1 Nino events remains tricky.the ability to predict larger ones should be increased to at least a year if the new method is confirmed.

　　E1 Nino tends to develop between April and June and reaches its peak between December and February.The warming tends to last between 9 and 1 2 months and occurs every two to seven years.

　　The new forecasting method does not predict any major El Nino events in the next two years， although a weak warming toward the end of this year is possible.

　　E1 Nino n.厄尔尼诺现象

　　Equatorial adj.赤道的

　　Occurrence n.发生

　　Meteorologist n.气象学家

　　Offset v.抵销

　　Lead adj.提前的

　　Monsoon n.季风

　　Tricky adj.难以捉摸的

　　练习：

　　1.The method used by the Columbia University researchers can predict E1 Nino a few months in advance.

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