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重庆市三峡库区“三江”干流污染源解析

DOI: 10.3969/j.issn.1674-0696.2014.05.16, PP. 73-76

Keywords: 环境工程,三峡库区,干流,多元统计分析方法,污染源,贡献率,environmentengineering,ThreeGorgesreservoir,mainstream,multivariatestatisticalanalysismethod,pollutionsource,contributionrate

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Abstract:

:?根据重庆市三峡库区干流水污染特征,选取CODCr、TP、NH3-N等8个指标作为水质分析参数。以多元统计分析方法定量解析三峡库区主要干流水体中污染物的主要来源及其贡献率。研究结果表明:重庆市三峡库区“三江”(长江、乌江、嘉陵江)干流流域的污染物主要有3种类型,分别为好氧有机物污染物、N、P等富营养化污染物及粪便病原污染物,对整个三峡库区干流流域污染的贡献率分别为31.25%,23.09%和16.67%。

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