Seasonal behaviour of tidal damping and residual water level slope in the Yangtze River estuary: identifying the critical position and river discharge for maximum tidal damping
Huayang Cai,Hubert H. G. Savenije,Erwan Garel,Xianyi Zhang,Leicheng Guo,Min Zhang,Feng Liu,and Qingshu Yang
Institute of Estuarine and Coastal Research/State and Local Joint Engineering
Laboratory of Estuarine Hydraulic Technology, School of Marine Engineering and Technology, Sun Yat-sen University, Guangzhou, China
Guangdong Provincial Engineering Research Center of Coasts, Islands and Reefs, Guangzhou, China
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, China
State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China
Centre for Marine and Environmental Research (CIMA), University of Algarve, Portugal
Xianyi Zhang
Institute of Estuarine and Coastal Research/State and Local Joint Engineering
Laboratory of Estuarine Hydraulic Technology, School of Marine Engineering and Technology, Sun Yat-sen University, Guangzhou, China
Guangdong Provincial Engineering Research Center of Coasts, Islands and Reefs, Guangzhou, China
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, China
Leicheng Guo
State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China
Min Zhang
Shanghai Normal University, Department of Geography, Shanghai, China
Institute of Estuarine and Coastal Research/State and Local Joint Engineering
Laboratory of Estuarine Hydraulic Technology, School of Marine Engineering and Technology, Sun Yat-sen University, Guangzhou, China
Guangdong Provincial Engineering Research Center of Coasts, Islands and Reefs, Guangzhou, China
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, China
Qingshu Yang
Institute of Estuarine and Coastal Research/State and Local Joint Engineering
Laboratory of Estuarine Hydraulic Technology, School of Marine Engineering and Technology, Sun Yat-sen University, Guangzhou, China
Guangdong Provincial Engineering Research Center of Coasts, Islands and Reefs, Guangzhou, China
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, China
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Tide–river dynamics play an essential role in large-scale river deltas as they exert a tremendous impact on delta morphodynamics, salt intrusion and deltaic ecosystems. For the first time, we illustrate that there is a critical river discharge, beyond which tidal damping is reduced with increasing river discharge, and we explore the underlying mechanism using an analytical model. The results are useful for guiding sustainable water management and sediment transport in tidal rivers.
Tide–river dynamics play an essential role in large-scale river deltas as they exert a...
