Journal of Beijing Normal University, Volume. 61, Issue 3, 438(2025)

Disaster-risk assessment of Typhoon “Yagi” by wind-energy simulation

WANG Zhenguo1, LU Jingyi2, KANG Dengjie3, FEI Wei4, FENG Xuguang3, GAO Zhiguo3, YANG Xiaopeng3, WANG Shaohua1, and ZHANG Hua3,5、*
Author Affiliations
  • 1State Grid Zhejiang Electric Power Research Institute, Hangzhou, Zhejiang, China
  • 2School of Systems Science, Beijing Normal University, Beijing, China
  • 3School of National Safety and Emergency Management, Beijing Normal University, Beijing, China
  • 4National Disaster Reduction Center, Ministry of Emergency Management, Beijing, China
  • 5International Joint Laboratory for Disaster Simulation and Systemic Risk Response, Ministry of Education, Zhuhai, Guangdong, China
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    Increased frequency of intense typhoons is seen in recent years, particularly Super Typhoon “Yagi” (Typhoon No. 2411), which has caused substantial economic losses and social impacts in Hainan province in China. In this study the wind disaster assessment method based on accumulated wind energy is compared, thereby mitigating the limitations of traditional assessments based solely on maximum wind speed. The accumulated wind energy model is found to more precisely reflect actual disaster losses, especially in high-vulnerability areas such as Wenchang and Haikou. The coverage area of winds greater than level 12 is 1 473 km2, level 13 is 933 km2, level 14 is 101 km2. The overall wind energy of “Yagi” is higher than that “Rammasun”, and the total wind energy of Typhoon “Yagi” in Wenchang city is about 13 times that of “Rammasun”, at 500 000 kJ. This study reveals influence of factors such as typhoon wind speed, duration, and terrain on accumulated wind energy, thus elucidating regional disparities in wind disaster risk. Under the background of climate change, it is recommended to improve wind resistance design standards and infrastructure resilience based on typhoon wind energy estimation results, especially for rural housing, agricultural facilities, electricity, communication and other infrastructure.

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    WANG Zhenguo, LU Jingyi, KANG Dengjie, FEI Wei, FENG Xuguang, GAO Zhiguo, YANG Xiaopeng, WANG Shaohua, ZHANG Hua. Disaster-risk assessment of Typhoon “Yagi” by wind-energy simulation[J]. Journal of Beijing Normal University, 2025, 61(3): 438

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    Paper Information

    Received: Oct. 25, 2024

    Accepted: Aug. 21, 2025

    Published Online: Aug. 21, 2025

    The Author Email: ZHANG Hua (zhanghua2011@bnu.edu.cn)

    DOI:10.12202/j.0476-0301.2024223

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