气候变化背景下沿海城市脆弱-协调性时空演化趋势分析——以山东沿海地区为例

Abstract:The adverse effects of global climate change pose a serious threat to productive life in coastal areas. This paper uses entropy and improved coupling coordination degree model，based on ArcGIS to deal with the vulnerability and internal coordination of the seven coastal cities of Shandong Province during the study period，to explore the trends of the vulnerability-coordination spatial-temporal of coastal cities. The results show that：①the non-equilibrium of the vulnerabilities of the seven cities are significant，the average level of coupling coordinated degree is all in the transitional and the imbalance development，social and economic lags become the main types affecting the coordinated development；②except for Qingdao and Yantai city，there is no obvious downward trend of the overall vulnerability，the coupling coordination level is low and there is no obvious upward trend；③the vulnerabilities and the three subsystems’ coupling coordination levels of the seven cities have a certain degree of spatial congruity.

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