| 基于三角模糊数的河流沉积物中重金属污染评价模型 |
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| 引用本文： | 樊梦佳,袁兴中,祝慧娜,黄华军,曾光明,梁运姗,江洪炜.基于三角模糊数的河流沉积物中重金属污染评价模型[J].环境科学学报,2010,30(8):1700-1706. |
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| 作者姓名： | 樊梦佳 袁兴中 祝慧娜 黄华军 曾光明 梁运姗 江洪炜 |
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| 作者单位： | 湖南大学环境科学与工程学院,长沙,410082;环境生物与控制教育部重点实验室(湖南大学),长沙,410082 |
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| 基金项目： | 国家水体污染控制与治理重大专项（No.2009ZX07212-001-02） |
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| 摘 要： | 将模糊集理论引入污染评价领域,建立基于三角模糊数的地累积指数模糊评价模型.用三角模糊数表示沉积物污染物浓度和地球化学背景值,并通过α-截集技术和区间数的隶属度计算得出重金属污染程度级别,从而为重金属的综合污染评价提出一种新的思路.将该模型应用于湘江7个河段底泥沉积物重金属污染的评价,结果表明,7个河段沉积物中重金属污染严重,且6种重金属的地累积指数差异较大,各种重金属的富集程度由高至低排列的顺序为:CdZnHgPbAsCr.各河段沉积物中重金属的综合污染程度顺序为:衡阳湘潭郴州长沙岳阳株洲永州.Cd、Zn和Hg是各河段沉积物污染的主要环境污染因子.
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| 关 键 词： | 沉积物 重金属 三角模糊数 地累积指数 模糊化评判 |
| 收稿时间： | 2009/12/16 0:00:00 |
| 修稿时间： | 3/1/2010 2:36:38 PM |
Assessment model for heavy metal pollution in river sediment based on triangular fuzzy numbers |
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| FAN Mengji,YUAN Xingzhong,ZHU Huin,HUANG Huajun,ZENG Guangming,LIANG Yunshan and JIANG Hongwei.Assessment model for heavy metal pollution in river sediment based on triangular fuzzy numbers[J].Acta Scientiae Circumstantiae,2010,30(8):1700-1706. |
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| Authors: | FAN Mengji YUAN Xingzhong ZHU Huin HUANG Huajun ZENG Guangming LIANG Yunshan and JIANG Hongwei |
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| Affiliation: | 1. College of Environmental Science and Engineering, Hunan University, Changsha 410082; 2. Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082,1. College of Environmental Science and Engineering, Hunan University, Changsha 410082; 2. Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082,1. College of Environmental Science and Engineering, Hunan University, Changsha 410082; 2. Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082,1. College of Environmental Science and Engineering, Hunan University, Changsha 410082; 2. Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082,1. College of Environmental Science and Engineering, Hunan University, Changsha 410082; 2. Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082,1. College of Environmental Science and Engineering, Hunan University, Changsha 410082; 2. Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082 and 1. College of Environmental Science and Engineering, Hunan University, Changsha 410082; 2. Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082 |
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| Abstract: | |
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| Keywords: | sediment heavy metal triangular fuzzy number index of geoaccumulation fuzzy evaluation |
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