A Study of Urban Climate Change Vulnerability Assessment Based on Catastrophe Progression Method

Climate change can make a profound impact on the entire ecosystem, and severely affects the stability of human society. The urban is the economic, political and cultural center of human society. The assessment of urban disaster vulnerability is of great significance to the disaster prevention system. Through the review of the relevant literatures on disasters vulnerability and the situations of Sichuan Province, the study establishes urban climate change actual vulnerability assessment systems. The vulnerability degrees of the five economic zones of Sichuan Province are evaluated by the improved mutation progression method based on the entropy method. The study shows that the urban disaster vulnerability of Southern Sichuan Economic Region is the most serious, and the degree of disaster vulnerability of Chengdu Economic Region is the lowest. Chengdu Economic Region should concern about the floating population. And Southern Sichuan Economic Region needs to create a good environment for enterprises to increase the number of enterprises within its jurisdiction.