基于熵值法的经济发展与生态环境耦合关系演变分析——以西安市为例

目的]研究经济发展与生态环境的耦合关系。方法]首先构建了西安市经济发展与生态环境耦合系统的评价指标体系,然后采用熵值法对2001～2010年西安市经济发展与生态环境的耦合关系进行了动态研究,并针对现有发展模式存在的问题,提出相应建议。结果]2001～2010年,西安市经济与生态环境发展都有了较大的提升和改善,呈稳定上升趋势,达到了良好协调发展水平;但2005年以后生态环境发展水平明显滞后于经济发展水平。各子系统间的发展速率差异比较明显,经济效率和经济水平发展较快;生态环境承载力和经济活力发展较慢,并呈现不稳定性。结论]该研究为西安市经济与环境协调发展对策的制定提供了理论依据。

Dynamic Analysis of Coupling Relationship between Economic Development and Ecological Environment Based On Entropy Method

Objective] The aim was to study the coupling relationship between economic development and ecological environment.Method] Firstly,the evaluation index system for the coupling system of economic development and ecological environment in Xi'an City was established,then the dynamic variation of coupling relationship between economic development and ecological environment in Xi'an City from 2001 to 2010 was analyzed by using entropy method,finally some corresponding suggestions were put forward according to the problems in the current development model.Result] The economic development and ecological environment of Xi'an have made a significant upgrading and improvement from 2001 to 2010,namely showing a stable upward trend on the whole,and were in a well-coordinated development state in 2010.However,the development level of ecological environment obviously lagged behind economic development level after 2005.In addition,there were obvious differences in the development rate of sub-systems,that is,economic efficiency and economic level developed rapidly,while the carrying capacity of ecological environment and economic vitality grew slowly and unstably.Conclusion] The research could provide theoretical bases for the establishment of strategies for the coordinated development economy and environment in Xi'an City.