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Combined Effects of Hillslope-Concentrated Flows and Riverine Stream Waves on Soil Erosion in the Reservoir Riparian Zone
Bao, Yuhai1; Yu, Yantong1,2; Tang, Qiang3; He, Xiubin1; Wei, Jie4; Hu, Yunhua5; Li, Jinlin6
2021-12-01
摘要During the exposed season, the water level fluctuation zone of the Three Gorges Reservoir has suffered from hillslope-concentrated flows and riverine stream waves, which considerably complicates the processes and magnifies the rate of bank erosion. This study depicts the forms and patterns of integrated bank erosion in this reservoir marginal landscape, decouples the evolutionary processes involved, explores the underlying mechanisms, and quantifies the magnitude through a case study on a fine-grained sandy bank. Hillslope-concentrated flows over rainfall storm events developed continuous gullies starting from uplands and extending throughout the entire slope of the reservoir bank, characterized by relatively larger depths and widths compared with discontinuous gullies on the lower slope developed by riverine stream waves.
关键词bank erosion hillslope-concentrated flow wave action water level fluctuation zone Three Gorges Reservoir
DOI10.3390/w13233465
发表期刊WATER
卷号13期号:23页码:11
通讯作者Tang, Qiang(qiangtang@swu.edu.cn)
收录类别SCI
WOS记录号WOS:000734649000001
语种英语