官厅水库流域产流产沙变化规律及其影响因素研究  

Study on the Variation Property of the Runoff and Sediment Yield and Its Influence Factors of the Upper Reaches Watershed of Guanting Reservoir

作　　者：刘世海[1] 胡春宏 

机构地区：[1]北京交通大学,北京100044 [2]中国水利水电科研究院,北京100044

出　　处：《水土保持研究》2007年第1期272-275,共4页Research of Soil and Water Conservation

基　　金：国家高技术应用部门发展项目"官厅水库泥沙淤积对水资源水环境和防洪减灾的影响及综合治理研究(SE-2002-3-15)"项目资助

摘　　要：官厅水库是我国在多沙河流上修建的第一座大型水库,探讨水库上游流域的产流产沙规律对水库的运行和管理具有重要的理论和现实意义。对官厅水库流域产流产沙的变化规律进行了研究,结果表明:20世纪50年代是官厅水库上游流域的丰水、丰沙期,以后随着时间的推移,流域产流量和产沙量逐渐减少,造成官厅水库上游流域产流量和产沙量变化的主要因素是降雨和人类活动两方面的因素。Guanting reservoir is the first reservoir that built in the abundant sediments river. It is very important that to study the properties of the runoff and sediment yield to the management of the Guanting reservoir. The runoffand sediment yielding in the upper reaches of the watershed is studied. It＇s results show that the fifties 20th century was the exuberance period of the runoff and sediments yielding, the amounts of runoff and sediments yielding decreased in the sixties, seventies, eighties and nineties, and the nineties runoff and sediments yielding amounts were the smallest. Why yielding amount of runoff and sediments show the degradation law, it mainly due to regular variation of the precipitation amount in the watershed from the 1920s to 2000s and human activities.

关 键 词：官厅水库流域 产流产沙 

分 类 号：S157[农业科学—土壤学]