| 基于主成分分析和水质标识指数的天津地区主要河流水质评价 |
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| 引用本文： | 李国锋,刘宪斌,刘占广,郭伟华.基于主成分分析和水质标识指数的天津地区主要河流水质评价[J].生态与农村环境学报,2011,27(4). |
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| 作者姓名： | 李国锋 刘宪斌 刘占广 郭伟华 |
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| 作者单位： | 天津科技大学海洋科学与工程学院/天津市海洋资源与化学重点实验室,天津,300457 |
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| 基金项目： | 国家水体污染控制与治理科技重大专项(2008ZX07209-010-2) |
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| 摘 要： | 于2009年5月(枯水期)、8月(丰水期)、11月(平水期)对天津地区蓟运河、潮白新河、永定新河、金钟河、北塘排污河、黑猪河、海河、大沽排污河、独流减河、青静黄排水渠、子牙新河和北排水河12条主要河流的水质进行监测,并对监测数据进行主成分分析,构建水质评价指标体系,采用水质标识指数进行水质评价。结果表明,主成分分析与水质标识指数相结合的评价方法客观可靠。从时间分布来看,枯水期水质最差,58.3%的河流为劣Ⅴ类水质,部分河流已经黑臭,8月水质较好。从综合水质标识指数来看,海河以南河流污染较为严重。该地区河流NH3-N污染最为严重,其次是BOD5、CODMn和TP,属于有机型及富营养化污染。
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| 关 键 词： | 天津 河流 水质评价 主成分分析 水质标识指数 |
Water Quality Assessment of Main Rivers in Tianjin Based on Principal Component Analysis and Water Quality Identification Index |
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| LI Guo-feng,LIU Xian-bin,LIU Zhan-guang,GUO Wei-hua.Water Quality Assessment of Main Rivers in Tianjin Based on Principal Component Analysis and Water Quality Identification Index[J].Journal of Ecology and Rural Environment,2011,27(4). |
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| Authors: | LI Guo-feng LIU Xian-bin LIU Zhan-guang GUO Wei-hua |
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| Institution: | LI Guo-feng,LIU Xian-bin,LIU Zhan-guang,GUO Wei-hua(College of Marine Science & Engineering,Tianjin University of Science and Technology/ Tianjin Key Laboratory of Marine Resource and Chemistry,Tianjin 300457,China) |
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| Abstract: | In May(the dry season),August(the wet season) and November(the normal season) 2009,water samples were collected from a number of rivers,including Ji Canal,Chaobai New River,Yongding New River,Jinzhong River,Beitang Channel,Heizhu River,Haihe River,Dagu Sewage Channel,Duliujian River,Qingjinghuang Drain,Ziya New River and North Canal in Tianjin and analyzed for monitoring of water quality.Principal component analysis was conducted of the monitoring data.On such a basis,a water quality evaluation index system... |
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| Keywords: | Tianjin river water quality assessment principal component analysis(PCA) water quality identification index |
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