摘要
借鉴水文学中流域土壤最大蓄水量计算方法,利用历史旱涝灾情资料,在考虑流域分水岭、地形、气候分区三要素基础上,将湖北省进行分区,分别计算各区域暴雨洪涝临界雨量。结果表明,临界雨量与抗灾能力有关,但当河流出现极低水位时,临界雨量会相对增大。
On the basis of considering the watershed of drainage area, landform and climate, the paper describes the method which divides Hubei Province into seven subareas and calculates critical rate of rainfall of rainstorm and flood disaster by drought and flood disaster data, using the calculation method of maximum water-storage in drainage area soil. The results show that critical rate of rainfall is related to resis- tance disaster ability, but it will be relatively augmented when the river appears extreme low water level.
出处
《暴雨灾害》
2013年第3期280-283,共4页
Torrential Rain and Disasters
基金
2013年公益性行业(气象)科研专项(GYHY201306056)
中国气象局2013年气象关键技术集成与应用项目(CMAGJ2013Z11)
2011年度湖北省气象局科技发展基金项目(2011Z02)
关键词
暴雨洪涝
临界雨量
流域
rainstorm and flood
critical rate of rainfall
drainage area
作者简介
李兰，主要从事应用气象及气象灾害评估。E—mail：wen92929@tom．com
