Results 71 to 80 of about 262 (159)
Field study of scour around Bridge piers in the transitional section of the Qiantang River
Ain Shams Engineering JournalWith the rapid development of bridge construction, the safety of bridges under complex hydrological conditions has become an increasingly critical issue. This study investigates the local scour characteristics of bridge piers in the transition section of
Zongyu Li, Rui Li, Bin Chen
doaj +1 more source
Oscillatory and regularized shock waves for a modified Serre–Green–Naghdi system
Studies in Applied Mathematics, Volume 153, Issue 1, July 2024.Abstract The Serre–Green–Naghdi equations of water wave theory have been widely employed to study undular bores. In this study, we introduce a modified Serre–Green–Naghdi system incorporating the effect of an artificial term that results in dispersive and dissipative dynamics.
Daria Bolbot +2 more
wiley +1 more source
Numerical simulation of tidal flow field in the Qiantang Estuary bends(钱塘江河口弯道潮流场的数值模拟)
Zhejiang Daxue xuebao. Lixue ban, 2007 钱塘江河口潮流错综复杂，依靠零星的实测潮流资料无法全面描述其流场特征.本文采用Deldt3D模型对钱塘江河口闻家堰至仓前河段的潮流场进行二维数值模拟，着重研究了河口弯道的流场特性.结果表明，河口弯道流场具有跟无潮河流弯道显著不同的特性，如弯道流速向下游递增；涨、落急主流线分歧；涨、落潮流对丁坝工程的响应不同，以及下游弯道水面横比降大于上游弯道.
ZHULi-li(祝丽丽) +4 more
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Turbulence, Sediment‐Induced Stratification, and Mixing Under Macrotidal Estuarine Conditions (Qiantang Estuary, China) [PDF]
Journal of Geophysical Research: Oceans, 2019 AbstractTime series of in situ measured velocity and suspended sediment concentration from Qiantang Estuary (China), and estimates of turbulence and sediment stratification parameters are presented. The data span a period of 9 days, and after phase averaged, they are used to explore spring‐neap tidal variations in flow, turbulence, and sediment ...
Junbiao Tu +3 more
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Economic Development Drives Massive Global Estuarine Loss in the Anthropocene
Earth's Future, Volume 12, Issue 4, April 2024.Abstract Estuaries have great ecological and economic value and sustain both population and economic growth. Global‐scale analyses suggest that human activities drive estuarine area change but these projections neglect direct human‐estuary interactions and socio‐economic feedbacks.
Nathalie W. Jung +6 more
wiley +1 more source
Evolution of tidal flats influenced by tidal bores and runoff in the Qiantang Estuary, China
Shui kexue jinzhanTidal flats provide crucial ecosystem services and coastal protection. Comprehending the evolution of tidal flats, influenced by tidal bores and runoff, is key to protecting these environments in the Qiantang Estuary′s tidal bore zones.
Congcong LAO +3 more
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Numerical Simulation of Bend Circulation in Qiantang River Estuary Based on SCHISM [PDF]
长江科学院院报[Objective] This study aims to reveal the spatiotemporal distribution patterns and controlling mechanisms of bend circulation in a macrotidal estuarine environment.
HUANG Zi-han, CHENG Wen-long, LI Zhi-yong, ZHU Run-ye, ZHANG Zhi-yong, CHEN Fu-yuan
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Salinity prediction in Qiantang Estuary based on Improved LSTM model
Abstract Investigating saltwater intrusion is vital for optimal use of estuarine water resources. Presently, diverse data-driven models, mainly neural network models, have been employed to predict tidal estuarine salinity. However, the high nonlinearity, randomness, and instability of salinity sequences pose challenges for accurate estuarine ...
Rong Zheng +4 more
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Frontiers in Marine ScienceCetacean ecology has been poorly studied in the Shanghai-Zhejiang waters of East China Sea, seriously hindering appropriate local conservation practices.
Jing Yuan +4 more
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Frontiers in Earth ScienceThe Yanguan Ancient Seawall at the Qiantang River estuary is a nationally protected cultural heritage and an in-service flood defense. Construction activities, such as vehicle crossings, pose risks of vibration-induced damage to this aging structure.
Wei Lin +9 more
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