Analysis and Evaluation of Urban Vulnerability Based on Entropy Value Method: A Case Study of Bengbu City, China
DOI: 10.23977/erej.2022.060507 | Downloads: 11 | Views: 436
Author(s)
Xuewei Meng 1, Yong Zhang 1, Yifan Sun 1, Hui Guo 1
Affiliation(s)
1 College of Environment and Surveying and Mapping Engineering, Suzhou University, Suzhou City, Anhui Province, 234000, China
Corresponding Author
Yong ZhangABSTRACT
Bengbu city is an important city in northern Anhui Province, and exploring the degree of urban vulnerability can provide technical reference for sustainable urban development. The index data of three important systems of economy, society and ecological environment of Bengbu City are selected, and the urban vulnerability model is constructed using entropy value method to analyze the vulnerability and comprehensive vulnerability of each subsystem. The results show that: (1) From the change of the comprehensive vulnerability level of the city, the overall urban vulnerability of Bengbu city shows a decreasing trend from 2010 to 2019, basically completing the transition from higher to lower vulnerability, and is in a good and stable development state. (2) From the viewpoint of the vulnerability ratio of each subsystem, the vulnerability ratio of each subsystem in Bengbu city varies more obviously. Social vulnerability occupies a dominant position, economic vulnerability is in the middle, and ecological vulnerability is in a secondary position. (3) In terms of the degree of decline in the vulnerability of each subsystem, all subsystems of urban vulnerability in Bengbu city have declined to different degrees from 2010 to 2019. Among them, the vulnerability of economic and ecological environment subsystems declined more obviously, while the vulnerability of social subsystems generally declined more slowly and moderately.
KEYWORDS
Bengbu city, Urban vulnerability, Entropy value method, Socio-economic-environmental system, Vulnerability evaluation index systemCITE THIS PAPER
Xuewei Meng, Yong Zhang, Yifan Sun, Hui Guo, Analysis and Evaluation of Urban Vulnerability Based on Entropy Value Method: A Case Study of Bengbu City, China. Environment, Resource and Ecology Journal (2022) Vol. 6: 53-65. DOI: http://dx.doi.org/10.23977/erej.2022.060507.
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