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Article

Response Relationship between the Upward or Downward Moving Distance of Main Stream Zone and Water and Sediment Conditions in Wandering Channels

by 1,2, 1,2,*, 1,2, 1,2 and 3
1
Yellow River Institute of Hydraulic Research, YRCC, Zhengzhou 450003, China
2
Key Laboratory of Lower Yellow River Channel and Estuary Regulation, MWR, Zhengzhou 450003, China
3
School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
*
Author to whom correspondence should be addressed.
Academic Editors: Chunhui Li, Zoe Li, Yurui Fan, Celso Augusto Guimarães Santos, Junliang Jin and Achim A. Beylich
Water 2021, 13(24), 3610; https://doi.org/10.3390/w13243610
Received: 14 November 2021 / Revised: 13 December 2021 / Accepted: 13 December 2021 / Published: 15 December 2021
The change of water and sediment conditions in wandering channels has a great impact on the stability of river regime. The quantitative relationship between them is still unclear. The qualitative influence of water and sediment conditions on the river regime stability was analyzed by a model test. The response relationship between the upward or downward moving distance of the main stream zone and water and sediment conditions was quantitatively studied by using the measured water and sediment data and large-section data over the years. The results showed that when the upstream water and sediment inflow conditions change, the stability of a wandering channel with relatively stable river regime under the control of finite boundary will still change. When the river channel is at 1000 m3/s under the action of long-term small water, or silting thickness is about 0.53 m, the main stream next to the project moves upwards about 1170 m along the way. In the case of a large flood, such as 8000 m3/s, or scouring depth is about 0.39 m, the main stream next to the project moves downwards about 870 m along the way. The study provides a certain scientific basis for river regime stability and river flood control early warning, and provides a certain method reference for quantitative study of river regime evolution of other rivers at home and abroad. View Full-Text
Keywords: upward or downward moving distance of main stream zone; water and sediment conditions; channel scouring and silting; wandering channel; lower Yellow River upward or downward moving distance of main stream zone; water and sediment conditions; channel scouring and silting; wandering channel; lower Yellow River
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MDPI and ACS Style

Xu, L.; Zhao, L.; Jiang, E.; Li, J.; Chen, M. Response Relationship between the Upward or Downward Moving Distance of Main Stream Zone and Water and Sediment Conditions in Wandering Channels. Water 2021, 13, 3610. https://doi.org/10.3390/w13243610

AMA Style

Xu L, Zhao L, Jiang E, Li J, Chen M. Response Relationship between the Upward or Downward Moving Distance of Main Stream Zone and Water and Sediment Conditions in Wandering Channels. Water. 2021; 13(24):3610. https://doi.org/10.3390/w13243610

Chicago/Turabian Style

Xu, Linjuan, Lianjun Zhao, Enhui Jiang, Junhua Li, and Meng Chen. 2021. "Response Relationship between the Upward or Downward Moving Distance of Main Stream Zone and Water and Sediment Conditions in Wandering Channels" Water 13, no. 24: 3610. https://doi.org/10.3390/w13243610

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