中文摘要：

运用信息熵理论表征用水结构变化趋势,采用主成分分析方法提取公共因子,运用灰色关联理论分析公共因子与用水结构的关联程度。以南京市为例,分析区域用水结构演变特征以及用水结构变化的驱动力因素。结果显示,南京市用水系统的信息熵值从2000年的1.532 nat增长到2014年的1.791 nat,均衡度由0.787提升至0.861,表明城市用水结构随着时间的推移变得更加稳定;经济结构调整、节水水平、人口演变、用水需求等因素是影响南京市用水结构变化的主要驱动力。提出区域用水总量控制对策,以保障水资源合理利用。

英文摘要：

Using the information entropy theory to characterize the change trend of water consumption structure,using the principal component analysis method to determine the principal components of each influencing factor,and using the grey incidence theory to analyze the correlation coefficient between the principal components and the water consumption structure,a study on the change and driving forces of the water consumption structure in Nanjing City was carried out. The results show that the information entropy increased from 1. 532 nat to 1. 791 nat and the balance degree increased from 0. 787 to 0. 861 from 2000 to 2014,indicating that the water consumption structure is becoming more stable. Factors such as economic structure,water-saving technology,population evolution,and water demand are main driving forces influencing the water consumption structure in Nanjing. Measures for total quantity control of water consumed are put forward to guarantee the reasonable utilization of water resources.