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构成城市综合承灾能力的防灾能力、抗灾能力、救灾能力和灾后恢复能力是相互联系的。城市综合承灾能力与城市经济发展水平紧密相连。利用灰关联熵方法,分析了某城市各种承灾能力的关联性大小,以及综合承灾能力与城市经济发展水平的关联强度。但关联性强,却不能说明协调得就好。因此,又利用灰色系统理论的思想,分析了城市综合承灾能力与城市经济发展水平的协调关系,发现城市综合承灾能力对城市经济发展水平有明显的滞后性。分析得出该滞后性存在的原因后,通过对序列进行时间平移,证实了对滞后性原因的判断,并提出了加快加强城市综合承灾能力建设的建议,为后续发展奠定坚实基础。
Disaster preparedness, disaster resilience, disaster relief and post-disaster recovery capabilities that make up the city’s overall capacity for disaster preparedness are interrelated. The city’s integrated capacity for disaster prevention is closely linked with the level of urban economic development. By using the method of gray relation entropy, this paper analyzes the relevancy of various cities’ ability to undertake disasters and the strength of the correlation between the capacity of integrated disaster relief and the level of urban economic development. But the relevance is strong, but it does not mean that coordination is good. Therefore, by using the idea of gray system theory, this paper analyzes the coordinated relationship between urban comprehensive disaster preparedness and urban economic development, and finds that the comprehensive urban plagues have significant lag in the level of urban economic development. After analyzing the reasons for the existence of the lag, the time lag of the sequence was confirmed to confirm the reason of lag and put forward the suggestion of speeding up the construction of integrated urban disaster preparedness, laying a solid foundation for the subsequent development.