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ChinaNews版 - What is a 100 year flood? zt
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China, from Today's Wall Street Journal在redcross上给harvey捐钱了,顺便看看川总为flooding做了点啥吧
相关话题的讨论汇总
话题: year话题: flood话题: what话题: event话题: 100
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发帖数: 4393
1
The terms "10 year", "50 year", "100 year" and "500 year" floods are used to
describe the estimated probability of a flood event happening in any given
year. Their primary use is for determining flood insurance rates in flood
hazard areas. Using historic weather and hydrograph data , experts derive
the estimated rate of flow or discharge of a river or creek. A 10 year flood
has a 10 percent probability of occurring in any given year, a 50 year
event a 2% probabaility, a 100 year event a 1% proba
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不确定车是不是flooded了,是直接拖到dealer那里还是找保险公司呢?China, from Today's Wall Street Journal
麻痹的,百年一遇几年来一次? (转载)qed你拉个队伍
How often does a 100-year flood occur? zt麻痹的,百年一遇几年来一次?
Flood Damage and Fatality Statistics (US)再谈“百年一遇”
洪水频率分析 zz (转载)Floods are coming in west. Due to environmental issues?
相关话题的讨论汇总
话题: year话题: flood话题: what话题: event话题: 100