Article
Engineering, Marine
Chengtuan Yin, Weisheng Zhang, Mengjie Xiong, Jinhua Wang, Caiyang Zhou, Xiping Dou, Jinshan Zhang
Summary: The study examines storm floods in the Yangtze Estuary and finds that different typhoon tracks have different impacts on storm surges. It proposes that phase shift of tides and acceleration of flood currents are the main factors increasing storm surges, and larger tidal ranges tend to attenuate surge levels.
Article
Environmental Sciences
Zhuo Zhang, Zhiyao Song, Dong Zhang, Di Hu, Zhaoyuan Yu, Songshan Yue
Summary: This study investigated tide-surge interactions induced by Typhoon Mangkhut in the Pearl River Estuary using a numerical model. The results showed that the typhoon caused nonlinear oscillations in the bay, with peak values not coinciding with the highest stage of the surge. Further analysis revealed that the nonlinear oscillations were influenced by tides, with stronger oscillations occurring under larger tidal ranges. Additionally, nonlinear bottom friction was identified as the major factor contributing to the significant nonlinear oscillations.
ESTUARIES AND COASTS
(2023)
Article
Environmental Sciences
Ziyu Xiao, Zhaoqing Yang, Taiping Wang, Ning Sun, Mark Wigmosta, David Judi
Summary: This study utilized an unstructured-grid Finite Volume Community Ocean Model to simulate compound flooding in the Delaware Bay Estuary, investigating the impact of non-linear tide-surge-river interactions on water levels. The results indicated that tide-river interactions affect semidiurnal tides, while tide-surge interactions mainly influence diurnal tides. Increasing river flow rate shifts the transition zone of damping and enhancing effects downstream.
FRONTIERS IN MARINE SCIENCE
(2021)
Article
Environmental Sciences
Li Li, Zixuan Li, Zhiguo He, Zhuzhu Yu, Yihan Ren
Summary: Understanding the characteristics and dynamic mechanisms of storm surges is essential for the prevention of coastal disasters. This study used a validated numerical model to investigate storm surges in Hangzhou Bay, a typical macro-tidal estuary on the east coast of China. The results showed that wind strength and tides were the main factors affecting storm surges, and the interaction between tides and storm surges played a significant role.
FRONTIERS IN MARINE SCIENCE
(2022)
Article
Environmental Sciences
Suming Zhang, Jie Zhang, Xiaomin Li, Xuexue Du, Tangqi Zhao, Qi Hou, Xifang Jin
Summary: This paper proposes a rapid, accurate, and comprehensive quantitative risk assessment method for Typhoon storm surge (TSS) under multi-risk sources. By identifying the primary risk sources and constructing a dependence structure, the method calculates the probability of each superposition scenario and converts inundation into economic and population risks. Case study results demonstrate the feasibility and accuracy of the method. This study is of great significance for disaster control, sustainable development, and decision-making.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Computer Science, Interdisciplinary Applications
Hong-xing Zhang, Yong -ming Shen, An-dong Zhao, Jun Tang
Summary: The study utilized a coupled modelling framework to investigate the hydrodynamics processes during Typhoon Hagupit and its effects on nutrient and salinity dynamics in the Pearl River Estuary. Results indicate that Hagupit significantly raised water levels in the PRE, with contrasting variations observed in salinity distribution and nutrient concentrations.
ENVIRONMENTAL MODELLING & SOFTWARE
(2022)
Article
Environmental Sciences
Zhifa Luo, Bensheng Huang, Xiaohong Chen, Chao Tan, Jing Qiu, Guangling Huang
Summary: This study investigated the interactions between waves and current on storm surge in the Pearl River Estuary using a fully coupled wave-current model. The results showed that wave setup minimally affected storm surge simulations, with a better correlation observed in the coupled model. Storm surge increased during spring tide and with increasing runoff in the upper river reaches.
FRONTIERS IN MARINE SCIENCE
(2021)
Article
Engineering, Marine
Liangliang Yu, Shasha Lu, Junbiao Zhang, Bin Yang, Mei Xu
Summary: The study of tide-surge interactions inside and outside Hangzhou Bay provides insights into the different mechanisms under varying hydrological conditions.
Article
Engineering, Ocean
Dan Li, Nian-Qing Zhou, Xiao-Nan Wu, Jia-Chun Yin
Summary: The permeability coefficient of the cofferdam determines the magnitude and distribution of the seepage field during tidal level fluctuations, while wave loading can induce additional displacement by weakening the soil foundation strength.
MARINE GEORESOURCES & GEOTECHNOLOGY
(2021)
Article
Engineering, Marine
Yuting Zhang, Qiyan Ji, Minghong Xie, You Wu, Yilun Tian
Summary: This study quantified the interaction between wind waves and tides in the coastal zone of the Changjiang River Estuary and its adjacent areas using ocean and wind wave models. The research found that considering the wave-tide interaction can improve the accuracy of wave and storm surge simulations.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2023)
Article
Geosciences, Multidisciplinary
Zhuo Zhang, Fei Guo, Zhiyao Song, Peng Chen, Fengfu Liu, Dong Zhang
Summary: A numerical study based on the FVCOM model was conducted to investigate the storm surge behavior induced by Typhoon Mangkhut in and around Lingdingyang Bay, Pearl River Estuary. The simulation results matched well with the measurements from tidal-gauge stations, and a series of artificial typhoons were designed to study the influence of typhoon uncertainties on the storm surge response. The study found that factors such as landfall time, central pressure deficit, and track direction can significantly impact the behavior of storm surge.
Article
Engineering, Civil
Masaya Toyoda, Nobuki Fukui, Takuya Miyashita, Tomoya Shimura, Nobuhito Mori
Summary: The study found that the forecast errors of storm surges are mainly attributed to the typhoon track forecast, and the parametric typhoon model tends to overestimate the surge height. The parametric Holland typhoon model using WRF output performs well in forecasting the surge height near the typhoon and its peak occurrence time.
COASTAL ENGINEERING JOURNAL
(2022)
Article
Marine & Freshwater Biology
Zhaohui Zhang, Huabo Yao, Bin Wu, Bin Wang, Jianfang Chen
Summary: The Yangtze River carries high loads of suspended particulate matter and phosphorus into the estuary, but primary production in coastal seas is limited by phosphorus. The release of exchangeable inorganic phosphorus (Ex-iP) from suspended particulate matter is affected by salinity, with high salinity increasing the efficiency of release. However, the contribution of Ex-iP from suspended particulate matter declines rapidly with decreasing concentrations, impacting the capacity to carry bioavailable phosphorus to coastal seas.
ESTUARINE COASTAL AND SHELF SCIENCE
(2021)
Article
Oceanography
Rugang Tang, Fang Shen, Jianzhong Ge, Shilun Yang, Wenli Gao
Summary: This study observed the spatial-temporal distribution of suspended sediment concentration (SSC) during four typhoon events in the Yangtze Estuary through high-frequency geostationary satellite remote sensing. The results showed that increased wind-driven significant wave height and bottom shear stress during typhoons were the main reasons for the sharp increase in SSC, which could last for 1-2 days.
CONTINENTAL SHELF RESEARCH
(2021)
Article
Engineering, Marine
Jian Li, Dongxue Mo, Rui Li, Yijun Hou, Qingrong Liu
Summary: This study focuses on effective risk assessment of marine dynamic processes and establishes a sensitivity matrix and risk assessment framework. Through reasonable numerical simulation and spatial distribution, the assessment system accurately reflects the risk to important infrastructure, providing a reference for disaster prevention and reduction.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2022)