考虑水土保持拦沙效益的水库设计输沙量分析  

Designed Sediment Discharge of Reservior Considering Soil and Water Conservation Benefit

作　　者：刘任远[1] 李怀恩[1] 吴胜德 

机构地区：[1]西安理工大学,陕西西安710048 [2]延安市水利水土保持局,陕西延安716000

出　　处：《水土保持通报》2005年第3期33-36,40,共5页Bulletin of Soil and Water Conservation

基　　金：国家教育部高等学校优秀青年教师教学科研奖励计划(青年教师奖2001-282);国家自然科学基金(50479067)

摘　　要：陕北黄土高原的水土流失严重地制约着当地经济和社会的发展。为此,人们开展了一系列的水土保持治理工作,并取得了明显的拦沙效果。然而,在水利工程设计,特别是无资料流域水库设计输沙量的确定等方面,如何考虑这种拦沙作用,目前尚缺乏成熟的方法。结合水库设计实例,综合分析了相似流域的水库实测泥沙淤积资料及水文站的实测泥沙资料。考虑水土保持与生态建设拦沙效益对水库设计输沙量的影响,探讨了水库设计输沙量的合理确定途径。<Abstrcat> The water loss and soil erosion on the Loess Plateau severely hampers the development of local economy and society. Therefore, a lot of measures of soil and water conservation are carried, and obvious benefits of sediment deduction are achieved. However, there are no reasonable methods considering the effect of soil and water conservation on the design of water conservancy projects, especially on the determination of mean annual sediment discharge for reservoir design. With two cases of reservoir design, considering the effect of soil and water conservation as well as ecological construction, the reasonable calculation ways of reservoir mean annual sediment discharge are discussed by means of comprehensively analyzing measured sediment deposition data in building reservoirs and sediment discharge records from hydrologic stations in similar watersheds.

关 键 词：黄土高原 水土保持 水库 输沙量 

分 类 号：TV222[水利工程—水工结构工程] P333.4[天文地球—水文科学]