| 运用主成分分析法评价浑河水体中重金属污染来源 |
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| 引用本文： | 张鸿龄,孙丽娜,赵国革.运用主成分分析法评价浑河水体中重金属污染来源[J].沈阳大学学报,2012,24(5):5-9. |
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| 作者姓名： | 张鸿龄 孙丽娜 赵国革 |
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| 作者单位： | 1. 沈阳大学区域污染环境与生态修复教育部重点实验室,辽宁沈阳,110044
2. 沈阳市环境保护局东陵分局,辽宁沈阳,110015 |
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| 基金项目： | 国家水体重大专项（2012ZX07202-004;2008ZX07208-001）; 国家自然科学基金资助项目（40901282） |
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| 摘 要： | 运用主成分分析法对浑河水体中7种重金属Cd、Pb、Cu、Zn、Hg、As、Cr的分布情况和来源进行了分析.结果表明：浑河水体中重金属的分布可由3个主成分来反映,其贡献率分别为F1（Cu和Cd）33.780%,F2（As和Hg）23.431%和F3（Pb）18.951%.通过因子得分进一步对浑河14个断面污染进行综合排序,发现抚顺区段水体中重金属污染重于沈阳区段,特别是七间房作为抚顺市的出市断面,其重金属污染最严重,其次为章党和东洲河口,而浑河上游段的出库口、古楼和阿及堡重金属污染最轻.该分析结果从整体上认识和评价了浑河水体中重金属的污染现状,为保护、管理浑河水资源提供了基础理论依据.
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| 关 键 词： | 主成分分析法 浑河 重金属 污染来源 综合评价 |
Sources of Heavy Metals in Surface Water from Hunhe River by Principal Component Analysis |
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| Institution: | ZHANG Hongling,SUN Lina,ZHAO Guoping (1.Key Laboratory of Regional Environmental and Eco-remediation,Ministry of Education,Shenyang University,Shenyang 110044,China;2.Dongling Branch Bureau,Shenyang Environmental Protection Bureau,Shenyang 110015,China) |
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| Abstract: | Principal Component Analysis（PCA） was applied to analyze the distribution and sources of heavy metals in the surface water from the Hunhe River.Results showed that the first three principal factors F1（Cu,Cd）,F2（Hg and As）,and F3（Pb） could account for the principal distributions of heavy metals in the surface water.The percents of the total variance were 33.780%,23.431% and 18.951%,respectively.Integrated evaluation results of water quality at the 14 monitoring sections showed that heavy metal pollution at Fushun section was heavier than that at Shenyang section.Qijianfang monitoring section was the heaviest;Zhangdang and Dongzhou monitoring section were the second,while the Chukukou,Gulou and Ajibu were the lightest.The research provides a scientific basis for assessing,protecting and managing the water quality of the Hunhe River. |
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| Keywords: | principal component analysis Hunhe River heavy metal pollution sources integrated evaluation |
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