Temporal Variations of Water Discharge and Sediment Load of Huanghe River,China

作     者：LIU Feng CHEN Shenliang PENG Jun CHEN Guangquan 

作者机构：State Key Laboratory of Estuarine and Coastal Research East China Normal University Shanghai 200062 China School of Nuclear Engineering and Technology East China Institute of Technology Nanchang 330013 China 

出 版 物：《Chinese Geographical Science》 (中国地理科学（英文版）)

年 卷 期：2012年第22卷第5期

页      面：507-521页

核心收录：

学科分类：070801[理学-固体地球物理学] 07[理学] 08[工学] 0708[理学-地球物理学] 081502[工学-水力学及河流动力学] 0815[工学-水利工程] 

基　　金：Under the auspices of Major State Basic Research Development Program of China(No.2010CB951202) Ocean Public Welfare Scientific Research Project,State Oceanic Administration of the People's Republic of China(No.200805063) 

主　　题：water discharge sediment load empirical mode decomposition morphological changes Huanghe River China 

摘      要：Based on the data from gauging stations, the changes in water discharge and sediment load of the Huanghe （Yellow） River were analyzed by using the empirical mode decomposition （EMD） method. The results show that the periodic oscillation of water discharge and sediment load of the Huanghe River occurs at the interannual, decadal, and multi-decadal scales, caused by the periodic oscillations of precipitation, and E1 Nifio/Southern Oscillation （ENSO） af- fects water discharge by influencing precipitation distribution and contributes to periodic varations in precipitation and water discharge at interannual timescale. The water discharge and sediment load of the Huanghe River have decreased since the 1960s under the influence of precipitation and huamn activities, and human activities attribute more than precipitation to the reduction in the water discharge and sediment load, furthermore, water abstraction and water-soil conservation practices are the main causes of the decrease in water discharge and sediment load, respectively. The reduction in sediment load has directly impacted on the lower reaches of the Huanghe River and the river delta, causing considerable erosion of the river channel in the lower reaches since the 1970s along with River Delta changing siltation into erosion around 2000.