Spatial and temporal changes in runoff and sediment loads of the Lancang River over the last 50 years

被引：29
|
作者：
Zhai, H. J. [1 ]
Hu, B. [2 ]
Luo, X. Y. [1 ]
Qiu, L. [1 ]
Tang, W. J. [2 ]
Jiang, M. [2 ]
机构：
[1] Yangtze River Water Resources Protect Bur, Wuhan 430051, Hubei, Peoples R China
[2] Changjiang River Sci Res Inst, Dept Soil & Water Conservat, Wuhan 430010, Hubei Province, Peoples R China
来源：
AGRICULTURAL WATER MANAGEMENT | 2016年 / 174卷
基金：
中国国家自然科学基金;
关键词：
Yunjinghong hydrological station; Hydropower dam; Mekong river; SUSPENDED SEDIMENT; MOUNTAINOUS CATCHMENT; DAM CONSTRUCTION; MEKONG RIVER; LAND-USE; RAINFALL; CHINA; WATER; IMPACTS; TRANSPORT;
D O I：
10.1016/j.agwat.2016.03.011
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Non-parametric Mann-Kendall, double mass curve analysis and annual variation analysis were used to analyze the spatial and temporal changes in runoff and sediment loads at the Jiuzhou, Jiajiu and Yunjinghong hydropower stations in the Lancang River from 1964 to 2010. The results indicate that the inter-annual and annual distributions of sediment have significantly changed since the 1990s, and that sediment discharge has increased at the Jiuzhou station, while sediment discharge has declined at the Jiajiu and Yunjinghong stations. Overall, annual runoff distribution patterns have been consistent since the 1990s. Spatial and temporal changes in runoff and sediment loads in the Lancang River have been attributed to the construction of hydropower stations, changes in land use and precipitation patterns. The results can provide guidance for the environmental protection and ecological restoration of rivers in the Southwest of China. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：74 / 81
页数：8
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