In recent years,Across the country,pumped-storage station are being developed in an orderly manner.In Hunan province,lots of pumped-storage projects have been set up,all of them are located in the source tributaries,and the catchment area is small and lack of hydrological information.In this study,the hydrological and sediment data of pumped-storage stations in Hunan province were analyzed and summarized:the distribution pattern of rainfall,runoff and sediment is basically consistent with the isograms of rainfall,runoff and sediment of Hunan province;there are similarities and inconsistencies between the distribution trend of design rainstorm and that of mean rainstorm;there are many influencing factors of design flood results,it includes geographical factors,meteorological conditions and catchment characteristics.The bigger the catchment area and the confluence parameter value,the bigger the flood peak.There are differences between the regional distribution law of the design flood and the design rainstorm distribution law.The results of this study can be used as a reference for hydrological and sediment calculation and rationality analysis in the planning and design stage of pumped-storage station in Hunan province and other regions.
关键词
湖南省/抽水蓄能电站/水文分析计算/径流/洪水/泥沙
Key words
hunan province/pumped-storage station/hydrological analysis and calculation/runoff/flood/sediment
维普
万方数据