摘要
对特定环境下银川市水资源承载力的内涵进行了界定.构建了灌溉率、水资源利用率、产水系数、供水模数、需水模数、人均供水量6个指标体系,选取了2003年至2011年9年间的数据,基于SPSS13.0软件,采取主成分分析方法,对银川市的水资源承载力进行了评价研究.研究结果表明,银川市的水资源利用效率不断提高,用水需求不断增长,供需矛盾突出,承载力呈现逐年增加的趋势.
The basic connotation of water resources carrying capacity is introduced the paper, as well as the water resources of Yinchuan city. The 6-index system is adopted, including the irrigation rate, water resources utilization rate, coefficient of product water, water supply modulus, modulus of water demand, and water supply per capita. The 9-year data from 2003 to 2011 is selected, and the water resources carrying capacity of Yinehuan city is evaluated by principal component analysis based on software SPSS 13. 0. The results show that the efficiency of water resources utilization is improving, the demand for water is growing, and the carrying capacity is in gradual increment trend in Yinchuan, which reflects the prominent contradictory between water resources supply and demand.
出处
《浙江水利水电专科学校学报》
2013年第2期44-47,共4页
Journal of Zhejiang Water Conservancy and Hydropower College
关键词
银川市
水资源承载力
主成分分析
Yinchuan
water resources carrying capacity
principal component analysis
