湖北省暴雨洪涝致灾指标研究

Study on Index of Heavy Rain Flood Disaster Grade in Hubei Province

摘要: 利用湖北省76站逐日降水量资料,采用耿贝尔极值Ⅰ型分布和百分位方法,分别对日最大降水量和过程最大降水量计算湖北省暴雨洪涝各等级的阈值,并统计洪涝历史发生次数,与实际灾害次数进行对比分析。结果表明:(1)虽然强度较大的日降水

Abstract: In this paper,threshold value of heavy rain flood disaster grade is studied with Gumbel I extreme distribution and percentiles based on daily precipitation in Hubei province.Different recurrence of maximum daily