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Study on Measures to Stabilize Courses of the Yellow River Estuary

Author(s): Songwei Chen Xiongbo Chen Yanjie Liang; Yu Qian

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Keywords: Yellow river estuary; Course stabilization; Artificial diversion of distributary; Flood control works; River dredging and excavation; Sea embankments

Abstract: The purposes of the Yellow River Estuary improvement are toensure the flood control safety at the estuarine area, stabilize courses and extend the service life. Great achievements have been made, since Chinese people set out to regulate the Yellow River, in terms of flood control works construction, water resources development & utilization and tide-prevention project construction, thanks to economic and social development of the estuarine areas. Measures taken, at present, to regulate the Yellow River Estuary include dyke building, river regulation, sea embankments, diversion dikes, river dredging for dikes reinforcing, artificial diversion of river channel or distributary, bar dredging and ecological water diversion. Course stability, in fact, is affected by various complicated factors. Moreover, the Yellow River Estuary still features a large amount of silt and weak ocean dynamic. As a result, estuary improvement is now plagued by such problems as estuary backward deposition and incomplete flood control works in the courses in use. This paper summarizes the measures already taken to improve the Yellow River Estuary and their effects in a systematic way. Based on analysis of current situation and existing problems of estuary improvement, improving flood control works, carrying out artificial diversion of distributary and building sea embankments are considered effective in ensuring stable courses of the Yellow River Estuary. Measures for improvement of the Yellow River Estuary in the near future are also proposed with consideration given to the application mode of the courses.


Year: 2020

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