摘要
根据安徽省水资源公报数据,采用信息熵和均衡度方法对全省的用水结构变化特征展开了分析研究。研究结果表明:2006~2015年的10 a期间,安徽全省、省内三大流域和6个典型城市的用水结构总体相对稳定,部分年份有所波动,而且农业用水仍占据主导地位。受地理位置和气候等因素差异的影响,三大流域和典型地市用水结构变化特征也存在着差异,其中,长江流域用水结构与全省的变化特征基本一致,滁州市用水结构的均匀性低于全省的平均水平。相对于"十一五"而言,"十二五"期间的用水结构有所调整:即农业用水比重下降,非农用水比重上升,整体上是朝着更加均衡的方向发展。对安徽省用水结构演变特征的研究,可为安徽省"十三五"水资源管理和年度计划的制定提供参考和依据。
According to the data published by Anhui Water Resources Bulletin,the variation in the characteristics of water use structure was studied and analyzed using methods of information entropy and balance degree. During ten years from 2006 to 2015,water use structure remained relatively stable for six typical cities,three major river basins and the entire province; there were slight fluctuations for some years,however,water use for agriculture remained its dominant position. Due to the differences in geographic location and climate,there are differences in the variation characteristics of water use structure in three major basin and cities; however,the variation characteristics of water use structure in Yangtze River basin is consistent with that of the entire province,water use structure of Chuzhou city is below the average level of the entire province. Water use structure was adjusted during the ＂ twelfth five-year plan＂; the proportion of water allocated to agriculture declined whereas non-agricultural water use increased,and in general it is going towards a more balance direction.
出处
《人民长江》
北大核心
2017年第18期45-49,共5页
Yangtze River
关键词
信息熵
均衡度
用水结构
变化特征
安徽省
information entropy
balance degree
water use structure
variation characteristics
Anhui Province
