基于主成分分析法的长江经济带省会城市水生态文明评价

doi:10.11870/cjlyzyyhj201610008

摘要/Abstract

摘要： 城市水生态文明评价指标体系是测量水生态文明，指导城市水生态文明建设的基础。在综述国内水生态文明评价研究文献基础上，按水生态、水经济和水社会三大系统，从水生态、水工程、水经济、水管理和水文化等方面筛选了18项指标构建了水生态文明城市建设平价指标体系，并应用主成分分析法对长江经济带11个省会城市的水生态文明建设水平进行测度分析。结果显示长沙、杭州、成都和贵阳的城市水生态文明综合得分靠前，上海、南京得分较低，并且与其他城市相比差距较为明显；将长江经济带11个省会城市的水生态文明状况划分为5个等级，以体现不同城市水生态文明的差异性,并按空间格局分析了长江经济带东部、中部和西部三大区域的水生态文明程度。

关键词: 主成分分析法, 长江经济带, 水生态文明, 评价指标体系

Abstract: Evaluation index system of water ecological civilization is the foundation and precondition to measure water ecological civilization, and also is the guideline and basis of urban water ecological civilization construction. Based on related domestic literatures, in this paper we built an evaluation index system of water ecological civilization city construction, including 18 indices chosen from several fields, such as water ecology, water engineering, water economy, water management and water culture. Furthermore, we used principal component analysis (PCA) to estimate the water ecological civilization level of 11 provincial capitals in the Yangtze Economic Belt. Results showed that the composite scores of Changsha, Hangzhou and Chengdu were higher, while Shanghai and Nanjing were comparatively low, and the disparities with other cites was obvious. In order to reflect the differences of different urban water ecological civilization level, 11 provincial capitals were divided into 5 levels. Additionally, the Yangtze Economic Belt was divided into the eastern area, the middle area and the western area from a spatial view, and their water ecological civilization degree was analyzed.

Key words: principal component analysis, Yangtze River Economic Belt, water ecological civilization, evaluation index system

中图分类号:

K921

任俊霖, 李浩, 伍新木, 李雪松. 基于主成分分析法的长江经济带省会城市水生态文明评价[J]. 长江流域资源与环境, 2016, 25(10): 1537-1544.

REN Jun-lin, LI Hao, WU Xin-mu, LI Xue-song. ASSESSMENT OF 11 PROVINCIAL CAPITALS' WATER ECOLOGICAL CIVILIZATION OF THE YANGTZE RIVER ECONOMIC BELT ON THE PRINCIPAL COMPONENT[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(10): 1537-1544.

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