首页|Study on Correlation of Erosion and Deposition Change and Water and Sediment Condition in the Lower Yellow River in Non-flood Season

Study on Correlation of Erosion and Deposition Change and Water and Sediment Condition in the Lower Yellow River in Non-flood Season

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Because of lower sediment concentration flow， the river channel of the lower Yellow River presents an erosion state in non-flood season， but the changes of erosion and deposition are different in different reaches。 It is eroded at upstream of Gaocun， basically in equilibrium of erosion and deposition in the reach from Gaocun to Aishan， and deposits at downstream of Aishan。 By analyzing the correlations of deposition ratio of different reaches and incoming water and sediment in non-flood season， the change of erosion and deposition in the reaches from Huayuankou to Gaocun and Gaocun to Aishan is not only affected by the incoming water volume， but also by the upstream erosion and deposition as well as sediment concentration renewed。 The change of erosion and deposition in the reach from Aishan to Lijin is mainly affected by the upstream erosion/deposition as well as sediment concentration renewed。

non - flood seasoncondition of water and sedimentchange of erosion and depositionthe lower Yellow River

Lin Xiuzhi、Jing Xin'ai、Qu Shaojun、Liu Chenyu

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Yellow River Institute of Hydraulic Research, YRCC, Zhengzhou, 450003 Key Laboratory of Yellow River Sediment Research, MWR, Zhengzhou, 450003

China Railway Tunnel Group Co. , Ltd. , Luoyang, 471009

International Yellow River forum on ecological civilization and river ethics;2009 IYRF

Zhengzhou(CN);Zhengzhou(CN)

Proceedings of the 4th international Yellow River forum on ecological civilization and river ethics

p.1866-1871

2009