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灰色关联度分析方法在水质评价中的应用——以常州市北市河为例 被引量:15

Application of Gray Relational Analysis Method in Water Quality Evaluation——A Case Study of Beishi River in Changzhou City
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摘要 基于灰色关联度分析的方法对苏南老城区典型河道—常州市北市河进行了12个月的水质评价,选取了罗汉桥、椿庭桥、金谷庄园桥三个断面,将实测水质与地表水水质标准进行关联分析。结果表明:选取的3个断面水质变化趋势比较一致,春冬季水质优于夏秋季水质;除了8月份金谷庄园桥水质为V类外,其他断面全年水质优于V类;3个断面水质为IV类的月份分别占58.33%、75%、50%。 The water quality of the Beishi River in 12 months was evaluated based on the Grey Relational Analysis.Three sections of Luohan Bridge,Chunting Bridge,Jingu Manor Bridge were selected,and the relationship between the measured water quality and surface water quality standard was analyzed.The results showed that the changing trend of water quality was similar in the three selected sections;the water qualities in spring and winter were better than those in summer and autumn.Except that the water quality of Jingu Manor Bridge in August belonged to grade V,the water quality of other sections was better than grade V.The proportion when the water quality kept the grade IV accounted for 58.33%,75% and 50% for the three bridges,respectively.
出处 《环境科学与管理》 CAS 2012年第2期162-166,共5页 Environmental Science and Management
基金 国家"十一五"重点水专项(2008ZX07101-002)
关键词 水质评价 灰色关联度分析 无量纲化 水质等级判断 water quality evaluation grey relational analysis dimensionless water quality grade judgment
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