Chapter
May 18, 2016
Fluvial Characteristics of Sediment-Laden Flow in the Lower Yellow River, China
Publication: World Environmental and Water Resources Congress 2016
Abstract
Based on the daily discharge and sediment concentration recorded at eight hydrology stations in the Xiaolangdi–Lijin reaches of the Lower Yellow River from 1950 to 2003, the relationship between water discharge and suspended-sediment concentration (SSC) was analyzed. The relationship between SSC and discharge was fitted by the sediment rating curves of third-order polynomial regression. The maximum SSC of years after 1968 is larger than that of years before 1968 at XLD and SK-LJ reach, and the corresponding discharge with maximum SSC decreases at these five stations. Besides, the SSC of XLD, SK, AS, LK and LJ stations will decrease after reaching its maximum concentration at a certain discharge. Sediment rating curve at XLD displays a downward trend of SSC for the same water discharge from the first to the second periods. Moreover, H-G reach is sensitive to flow rate, sediment concentration and particle size.
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Published In
World Environmental and Water Resources Congress 2016
Pages: 314 - 323
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© 2016 American Society of Civil Engineers.
History
Published online: May 18, 2016
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Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China. E-mail: [email protected]
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