Evaluation of surge hazard based on a storm surge hazard indicator along the mainland coast of China

Xiang Fu (), Jingming Hou, Qiuuxing Liu, Mingjie Li and Sendong Liang
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Xiang Fu: National Marine Environmental Forecasting Center
Jingming Hou: National Marine Environmental Forecasting Center
Qiuuxing Liu: National Marine Environmental Forecasting Center
Mingjie Li: National Marine Environmental Forecasting Center
Sendong Liang: National Marine Environmental Forecasting Center

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2023, vol. 116, issue 3, No 29, 3493 pages

Abstract: Abstract A storm surge hazard indicator was developed based on the storm surge index and high-water index. Using this indicator, the storm surge hazard along the Chinese mainland coast was evaluated. Storm surges were simulated by the GPU-based high-resolution 2-D hydrodynamic operational storm surge model, driven by ERA5 reanalysis data. High waters were calculated from coastal warning water. The results show that the storm surge hazard for more than 80% of the mainland coast is moderate and low. The coasts with high-level storm surge hazard represent less than 20% of the total coast and included the three bays of Bohai, the head area of Hangzhou Bay, in the Pearl River Estuary, the areas along the eastern coast of the Leizhou Peninsula and the coastal area of Guangxi Province. In future work, different sea level rise scenarios will be considered using this indicator and method.

Keywords: Storm surge; Hazard index; Evaluation; Chinese mainland (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s11069-023-05820-6

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