太湖沉积物重金属及营养盐污染研究

刘恩峰; 沈吉; 朱育新; 夏威岚; 潘红玺; 金章东

太湖沉积物重金属及营养盐污染研究

1.
中国科学院南京地理与湖泊研究所南京 210008;
2.
中国科学院研究生院北京 100039

基金项目: 中国科学院知识创新工程项目(kzcx1sw12I)；中国科学院南京地理与湖泊研究所创新项目(cxniglasA0205)；国家重点基础研究发展计划项目(2002CB41230)资助

详细信息

作者简介:
刘恩峰男 1976年出生博士研究生沉积学及环境化学

中图分类号: P512.2;X141

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文章访问数: 679
HTML全文浏览量: 30
PDF下载量: 553
被引次数: 0

Heavy Metals and Nutrients Pollution in Sediments of Taihu Lake

1.
Nanjing Institute of Geography & Limnology,Chinese Academy of Sciences,Nanjing 210008;
2.
Graduate School of the Chinese Academy of Sciences,Beijing 100039

摘要

摘要: 通过太湖MS沉积岩芯元素地球化学指标的分析,对太湖沉积物污染历史进行了系统的讨论。根据化学元素的聚类分析结果、变化趋势,并与太湖流域经济发展进程对比,认为太湖沉积物铅、锌、锰、镍污染开始于20世纪70年代末期,砷、汞污染分别开始于30年代和40年代,随着底泥重金属污染程度的加重,沉积物表层磁化率明显升高;总磷自40年代以来含量不断增加,总氮、总有机碳含量增加开始于70年代末期,表明湖泊富营养化程度不断加重。太湖沉积物重金属及营养盐污染历史与该区经济发展阶段相吻合。
- 太湖 /
- 重金属 /
- 总氮 /
- 总磷 /
- 总有机碳 /
- 污染历史
Abstract: Sedimentation rates,element concentrations and grain sizes distribution of Cores MS and DLS sediments from Taihu Lake are investigated.According to ¹³⁷ Cs dating,modern accumulation rates of Cores MS and DLS are 1.7 mm/a and 0.9mm/a.The pollution history of Taihu Lake is studied based on the geochemical characteristics in Core MS sediments.Pb,Zn,As,Hg,Mn and Ni are the main pollution heavy metals,which have different pollution history and pollution degree.The concentration of As in sediments increased since 1930s'due to the private industries development,and that of Hg increased since 1940s',which is the important pollution element due to the bio-accumulative effect.Pb,Zn,Ni and Mn pollution began at late 1970s'and the concentration in sediments became higher as As and Hg.The concentration of TP increased since 1940s',and that of TN and TOC was from late 1970s',which have close correlation with the eutrophication of lake.The history of elements pollution is correspondent with the economy development in the catchment of Taihu Lake.
- Taihu Lake /
- heavy metals /
- total nitrogen /
- total phosphorus /
- total organic carbon /
- pollution history

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参考文献(27)

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太湖沉积物重金属及营养盐污染研究

作者简介:
刘恩峰男 1976年出生博士研究生沉积学及环境化学

计量

Heavy Metals and Nutrients Pollution in Sediments of Taihu Lake

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目录

太湖沉积物重金属及营养盐污染研究

1. 中国科学院南京地理与湖泊研究所南京 210008;

2. 中国科学院研究生院北京 100039

作者简介:
刘恩峰男 1976年出生博士研究生沉积学及环境化学

English Abstract

Heavy Metals and Nutrients Pollution in Sediments of Taihu Lake

1. Nanjing Institute of Geography & Limnology,Chinese Academy of Sciences,Nanjing 210008;

2. Graduate School of the Chinese Academy of Sciences,Beijing 100039

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太湖沉积物重金属及营养盐污染研究

作者简介: 刘恩峰 男 1976年出生 博士研究生 沉积学及环境化学

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Heavy Metals and Nutrients Pollution in Sediments of Taihu Lake

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出版历程

目录

太湖沉积物重金属及营养盐污染研究

1. 中国科学院南京地理与湖泊研究所 南京 210008; 2. 中国科学院研究生院 北京 100039

作者简介: 刘恩峰 男 1976年出生 博士研究生 沉积学及环境化学

English Abstract

Heavy Metals and Nutrients Pollution in Sediments of Taihu Lake

1. Nanjing Institute of Geography & Limnology,Chinese Academy of Sciences,Nanjing 210008; 2. Graduate School of the Chinese Academy of Sciences,Beijing 100039

全文HTML

目录

友情链接

期刊在线

联系我们

作者简介:
刘恩峰男 1976年出生博士研究生沉积学及环境化学

1. 中国科学院南京地理与湖泊研究所南京 210008;

2. 中国科学院研究生院北京 100039

作者简介:
刘恩峰男 1976年出生博士研究生沉积学及环境化学

1. Nanjing Institute of Geography & Limnology,Chinese Academy of Sciences,Nanjing 210008;

2. Graduate School of the Chinese Academy of Sciences,Beijing 100039