汉中市城市化与生态环境发展协调性定量评价

目的衡量汉中市近10年城市化与生态环境发展的协调性。方法以汉中市1996—2009年统计年鉴数据为基础,建立城市化与生态环境交互作用下的两个子系统,运用主成分分析法确定两大子系统的综合发展水平,根据协同论的思想构建协调发展模型,进而评价城市化与生态环境发展的协调状况。结果 1996—2009年期间,城市化发展指数每年平均上升0.17点,生态环境指数每年平均上升0.15点,研究期末协调度指数为0.12。结论汉中市城市化与生态环境综合发展水平整体呈上升趋势,城市化的发展速度快于生态环境的发展速度;汉中市城市化与生态环境复合系统的协调度较低,表现为协调性总体上处于失调状态。在汉中市未来经济发展中,需要强化生态环境保护意识。

The quantitative evaluation on the coordination of Hanzhong City urbanization and eco-environment development

Aim To research the quantitative evaluation on the coordination of Hanzhong City urbanization and eco-environment development.Methods Based on synergistic theory and the interaction regularity between urbanization and ecological environment,two systems are puts forward on coordination and urbanization development.Advantage principal components analysis(PAC) is taken to determine the comprehensive level of both systems.A coordination development degree model has been made with this model,to appraise their coordination in accordance with their ideological.Results During 1996—2009,the development index of urbanization rose 0.17 points a year on arerage,the ecological index rose 0.15 points ayear on arerage,the final coordination degreeindex was 0.12.Conclusion The level of development of Hanzhong urbanization and eco-environment is a rising trend,and the latter lagging behind the former between 1996 and 2009.The coordination degree of urbanization and eco-environment is low,and coordination is in disorder.Hanzhong′s economic development in the future needs strengthen the idea of protecting ecoenvironmeut.