生态城市城镇化与生态环境耦合协调时空分异

以东南沿海典型生态城市福建省厦门市为例,利用2008—2018年多源遥感影像数据获取城镇化指数(CNLI)与遥感生态指数(RSEI),并构建二者耦合模型,然后通过地理探测器分析生态环境质量变化主导因子。结论显示:1)厦门市城镇化指数增幅明显,呈现内高外低、南高西低的城镇分布格局,生态环境分布特征则与其相反;2)厦门市城镇化与生态环境发展处良性协调阶段,并逐渐由生态环境领先变为城镇化领先;3)城镇化不是生态环境质量决定因素,但其影响力值在逐年上升,作用效果愈加明显。

Temporal and spatial differentiation of the coupling coordination between eco-city urbanization and ecological environment

Taking Xiamen City, Fujian Province, a typical ecological city on the southeast coast as an example, the urbanization index(CNLI)and the remote sensing ecological index(RSEI)were obtained by using the multi-source remote sensing image data from 2008 to 2018, and a coupling model of them was constructed. Analyze the leading factors of changes in ecological environment quality. Conclusion shows that: 1)The urbanization index of Xiamen has increased significantly, showing the urban distribution pattern of “high in the inside and low in the outside, high in the south and low in the west”, and the ecological environment distribution characteristics are opposite to it; 2)Xiamens urbanization and ecological environment development are in a stage of benign coordination, and gradually change from leading in ecological environment to leading in urbanization; 3)Urbanization is not a determinant of ecological environment quality, but its influence value is increasing year by year, and its effect is more and more obvious.