Change of Back Siltation in Lianyungang Harbor before and after Completion of the West Breakwater |
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| Authors: | ZHANG Hua YU Zhiying and JIN Liu
Graduate Student State Key Laboratory of Esturine and Coastal Research East China Normal University Shanghai P R China
Professor State Key Laboratory of Esturine and Coastal Research East China Normal University Shanghai P R China
Professor Yangtze Estuary Waterway Construction Co Ltd Shanghai P R China |
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| Institution: | ZHANG Hua YU Zhiying and JIN Liu
Graduate Student,State Key Laboratory of Esturine and Coastal Research,East China Normal University,Shanghai 200062,P. R. China
Professor,State Key Laboratory of Esturine and Coastal Research,East China Normal University,Shanghai 200062,P. R. China
Professor,Yangtze Estuary Waterway Construction Co. Ltd.,Shanghai 200002,P. R. China |
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| Abstract: | On the basis of a comparison of the field hydrological, sediment and topographic data observed before and after the completion of the West Breakwater in Lianyungang Harbor, which has led to the change of topography from a strait to a bay, a synthetical analysis is conducted on the change of back siltation. The results show that it is the change of coast line and the consequent change of hydrological condition and sediment movement that has led to the change of back siltation in the harbor. This phenomenon is caused by the lag effects of water current, sediment movement and local adjustment of topography after the construction, and it tends to be stable. The results of analysis provide not only a basis for extension of Lianyungang Harbor into a deep water harbor, but also propose a case for the study of the change of back siltation in a harbor on muddy coast. |
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| Keywords: | Lianyungang Harbor West Breakwater artificial bay back siltation |
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