天津市城市化发展与生态环境的耦合协调度评价

Evaluation of Interactive Coupling Degree between Urbanization and Ecological Environment in Tianjin

城市化与生态环境间存在着相互胁迫和耦合的关系,如何使得城市化与生态环境协调发展是影响可持续发展的重要议题。基于城市化与生态环境交互耦合特征,构建了城市化与生态环境耦合协调度模型以及评价指标体系,并以天津市为例,定量分析了2001年—2012年天津市城市化与生态环境耦合协调度。研究表明,2001年—2012年天津市城市化与生态环境的协调度大致经历了"S"型曲线变化,2001年—2006年,天津市城市化—生态环境系统为中度耦合协调,2007年—2012年,耦合协调度持续增加,逐步从中度耦合协调过度为较高耦合协调,但是天津市城市化与生态环境的耦合协调度仍有待进一步的提高。

There exists an interactive coupling and coercing relationship between urbanization and ecological environment. Realization of the coordinated development of urbanization and ecological environment has become the key issue of sustainable development. Based on the analysis of the relationship between urbanization and ecological environment, this paper constructed theoretical models of urbanization and ecological environment, and established a comprehensive assessment indicator system to measure the interactive relationship between urbanization and environment in Tianjin. The results indicated that the coupling coordination degree between urbanization and ecological environment showed an S-shaped curve from 2001 to 2006. The coupling coordination degree was moderate with a continuous increasing trend from 2007 to 2012. Tianjin showed a high level of coupling coordination, but the degree of Coupling coordination in Tianjin needed further improvement.