Coupling Coordination Degree Analysis between Urbanization and Geological Disasters in Zhejiang Province, China
Abstract
It is important to understand the relationship between urbanization and geological disaster systems to develop sustainable management strategies for many cities in the world that are located in geologically active zones. This study explored the coupling coordination degree of urbanization and geological disasters in 11 cities in Zhejiang province, China, during 2010–2020. Based on the annual demographics and socioeconomic and geological disasters data from 2010 to 2020, we analyzed the spatiotemporal changes of the coupling coordination degree between urbanization and geological disaster systems for the 11 cities in Zhejiang province during the period 2010–2020 using the analytic hierarchy process (AHP) combined entropy-weight method to determine the weights of indexes, which were used as input into the Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) method and coupling coordination degree model. The results indicated that the coupling coordination degree of most cities in Zhejiang province was positively correlated with time, reaching a peak in 2017, and the gap in coupling coordination was narrowing. From 2010 to 2020, the development stage of coupling coordination in Zhejiang province was mainly barely coordinated development. Moreover, the coupling coordination degree of North Zhejiang was the best, that of Central Zhejiang was second, and that of Southwest Zhejiang was the worst in terms of spatial pattern.
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Data Availability Statement
Data are available from the corresponding author upon reasonable request.
Acknowledgments
The authors thank the editor and anonymous reviewers for their helpful and valuable comments and suggestions to improve the quality of this study.
Author contributions: All authors contributed to the design and development of this manuscript. S. Z. Qi wrote, reviewed, and edited the first draft of the manuscript. T. Xu carried out the data analysis.
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Natural Hazards Review
Volume 25 • Issue 4 • November 2024
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© 2024 American Society of Civil Engineers.
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Received: Jan 22, 2024
Accepted: May 29, 2024
Published online: Aug 8, 2024
Published in print: Nov 1, 2024
Discussion open until: Jan 8, 2025
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