Abstract
Urban disaster risk assessment is the most basic and important part of urban safety development. Conducting disaster prevention and mitigation on the basis of urban disaster risk assessment requires an understanding of the relationship between the city and the natural environment. This enhances the city’s ability to withstand various types of disasters and achieves the development of a safe city. Based on a review of the existing literature, we propose a fuzzy comprehensive evaluation method for urban multi-disaster risk assessment. The multi-disaster risk assessment method includes the identification and screening of urban disasters, the assessment of individual disaster risk, and integrated urban disaster risks, the division of urban comprehensive disaster risks into several risk levels, and the determination of coping strategies. Taking Guangzhou (China) as an example, we determined the major disaster risks faced by Guangzhou, assessed the risks of individual disasters, and finally obtained the results of the comprehensive disaster risk of Guangzhou. Second, we analyzed the relationship between the disaster risk assessment and urban safety development, and proposed countermeasures and recommendations for the development of different disaster risk levels.
Highlights
Any sudden or calamitous event that endangers human life and property and affects living conditions is defined as a disaster
The objective of this study is to explore the methods of urban disaster risk assessment and put forward strategies for urban adaptations to the disaster risk environment
The spatial layout and development direction of the city should be adjusted to minimize two aspects: (1) the spatial layout and development direction of the city should be adjusted to the risk of disasters and enhanceand the city’s security; (2) Urban disaster risk should be evaluated based minimize the risk of disasters enhance the city’s security; (2) Urban disaster risk should be on the disaster risk assessment results and we should plan for various types of refuge facilities and evaluated based on the disaster risk assessment results and we should plan for various types of refuge shelters different risk levels to improve the city’s ability tothe respond to disasters
Summary
Any sudden or calamitous event that endangers human life and property and affects living conditions is defined as a disaster. Disasters often result in serious consequences, especially in developing countries. [1] According to the United Nations Office for Disaster Reduction (UNISDR), in 2015 alone, nearly one billion people worldwide were affected by natural disasters [1,2]. Various types of disasters have occurred frequently around the world, such as the Indian Ocean tsunami in 2004, Hurricane Katrina in New Orleans in 2005, the tsunami in the Miyagi Prefecture in Japan in 2011, and the super-storm. These disasters have caused a devastating blow to people’s lives and productivity. The occurrence of various types of disasters is a serious threat to human survival and development. Social progress and the reduction of risk and disasters are the long-term goals of
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