首页 | 本学科首页   官方微博 | 高级检索  
     

引水改善城市河网水质效果评估研究
引用本文:陈振涛,滑磊,金倩楠.引水改善城市河网水质效果评估研究[J].长江科学院院报,2015(7):45-51.
作者姓名:陈振涛  滑磊  金倩楠
作者单位:1. 南京农业大学 资源与环境科学学院,南京,210095;2. 浙江省水利河口研究院,杭州,310020
摘    要:引水仍是目前改善城市河网水质最常用的方法之一,但引水对河网水质改善的整体效果缺乏统一的评价标准和评估体系。以杭州市江干区为例,构建了一维河网水质模型,模拟了不同的引水水量和水源水质方案下河网水质改善情况;利用水质改善率、类别变化指数和浓度变化指数分析了引水对河网水质的改善效果。结果表明:引水水量对河网水质有一定的改善效果,但随着引水水量的增大,河网水质改善幅度逐渐变小;水源水质的提升对河网水质提高有明显效果,且改善幅度随水质的提升而提高,是影响引水效果的关键因素。

关 键 词:城市河网  引水水量  河网水质模型  水质改善率  效果评估

Assessing the Efficacy of Water Diversion to Improve Water Quality in City River Network
CHEN Zhen-tao,HUA Lei,JIN Qian-nan.Assessing the Efficacy of Water Diversion to Improve Water Quality in City River Network[J].Journal of Yangtze River Scientific Research Institute,2015(7):45-51.
Authors:CHEN Zhen-tao  HUA Lei  JIN Qian-nan
Abstract:Water diversion is one of the most common methods to improve water quality in city river network.How-ever,there is no uniform standard or system to evaluate the diversion effect.With Jianggan District of Hangzhou City as a case study,we built a one-dimensional river network model to simulate the water quality in different diver-sion cases,and assessed the effect of water quality improvement through the rate of water quality improvement,the category change index and concentration change index.Results showed that increasing water quantity could improve the water quality of the city rivers,however,the efficiency decreased with the increase of water quantity.Moreo-ver,the improvement of source water quality is a crucial factor which affects the diversion effect as it could appar-ently improve the water quality of river network,and the rate of improvement also increased with the improvement of the source water quality.
Keywords:city river network  quantity of water diversion  water quality model  improvement rate of water quality  efficiency assessment
本文献已被 CNKI 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号