Geological hazard vulnerability assessment based on cloud model in Zhejiang Province, China

Yicheng Ming, Mingtao Ding (), Heming Ren, Qiangqiang Feng and Yufeng He
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Yicheng Ming: Southwest Jiaotong University
Mingtao Ding: Southwest Jiaotong University
Heming Ren: Southwest Jiaotong University
Qiangqiang Feng: Southwest Jiaotong University
Yufeng He: Southwest Jiaotong University

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2025, vol. 121, issue 10, No 27, 11975-11995

Abstract: Abstract With the recent environmental changes and the influence of human engineering activities, Zhejiang Province has become an area where geological hazards are frequent in China. However, the research on geological hazard vulnerability in this area is not yet sufficient. Based on game theory and cloud model, this study generated a vulnerability assessment framework in Zhejiang Province, accomplishing vulnerability assessment at both the grid scale and district-county scale. The results show that: only 6% of the areas are classified as very-high and high-vulnerability areas. High vulnerability areas are primarily concentrated in the plains near the Qiantang River estuary and Hangzhou Bay, alongside coastal areas in southeastern Zhejiang. The cloud model vulnerability grading results show that: only Gongshu District in Hangzhou is identified as a very-high vulnerability area, with Shangcheng District categorized as high vulnerability. Additionally, there are 5 medium, 26 low, and 57 very-low vulnerability areas among the districts and counties assessed. These findings furnish a basis for advancing geological disaster preparedness and mitigation efforts throughout Zhejiang Province and fill a gap in the research of vulnerability in Zhejiang Province.

Keywords: Geological hazard·regional vulnerability; Cloud model; Game theory; Zhejiang Province (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s11069-025-07269-1

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