着重论述极值统计分布在极端天气气候事件和重大工程设计中的重要意义，综述该领域国内外研究进展。
New advances in extremes statistics are reviewed in this paper, with emphases on application to extreme weather and climate event research as well as in large-scale engineering design.
指出由于全球气候变暖对暴雨洪水极值的影响，将极大地影响我国的防洪安全。
It is also pointed out that global warming, variation of extremes of forms and floods will impact the flood control security of China.
历年气候干旱指数平均为0.002，极值出现在下游的民勤地区，达0.581。
The average arid index was 0.002, with a maximum of 0.581 in the lower Minqin region.
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