期刊论文

Spatial-temporal distribution analysis of design rainstorm in the Zhe-Tao region,Zishui Basin

中文

长沙理工大学学报(自然科学版)

1672-9331

2023

20

02

70-81

10.19951/j.cnki.1672-9331.20220425006

51809018:国家自然科学基金 2019JJ50643:湖南省自然科学基金资助项目 18C0198:湖南省教育厅科学研究项目 SJCX202042:长沙理工大学专业学位研究生实践创新与创业能力提升计划项目

本校为第一机构

【目的】通过研究资水流域暴雨中心柘桃区间设计暴雨的时空分布规律，为柘桃区间流域梯级水库洪水预报和防洪调度优化提供科学依据。【方法】以柘桃区间17个雨量站近30 a不同历时的年最大暴雨为研究数据，进行站点和面暴雨频率分析计算；采用不同历时降雨强度-历时-频率曲线和设计暴雨空间分布变化特征，分析雨量站网的设计暴雨时空分布规律。【结果】柘桃区间雨量站网设计暴雨的时空分布极不均匀，短历时内设计暴雨强度增幅较大；在空间分布上，随着重现期的增长，设计暴雨中心位置从资水流域中游扩大到下游；随着设计暴雨历时的增长，暴雨中心范围逐渐变小。【结论】柘桃区间雨量站点设计暴雨...

[Purposes]The spatial-temporal distribution laws of design rainstorm between Zhexi Reservoir and Taojiang Hydrological Station(the Zhe-Tao region)in Zishui Basin were investigated with an aim to provide a scientific basis for flood forecasting and flood control operatio...MORE [Purposes]The spatial-temporal distribution laws of design rainstorm between Zhexi Reservoir and Taojiang Hydrological Station(the Zhe-Tao region)in Zishui Basin were investigated with an aim to provide a scientific basis for flood forecasting and flood control operation optimization of cascade reservoirs in the Zhe-Tao ...