摘要
Abstract
For the urban district of Tiane County, the author analyzed the change of design flood before and after the construction of upstream Longtan Reservoir. It is concluded that Longtan Reservoir upgrade the flood protection ca⁃pability of urban district by retaining water with flood storage capacity, so as to reduce the peak discharge from 18500m3/s to 13200m3/s, corresponding to flood of 20-year reoccurrence period and 4-year reoccurrence period re⁃spectively under natural condition;and rendering flood level decrease of 5.89m.关键词
设计洪水/龙滩水库/调洪/削峰/红水河/天峨县城区Key words
Design flood/Longtan Reservoir/flood regulation/reduce peak discharge/Hongshui River/urban dis-trict of Tiane County分类
天文与地球科学
