Relationship Between Sediment Size and Heavy Mental Pollutions in Yangtze River and Jialing River of Chongqing Urban City

doi:10.3969/j.issn.1674－0696.2012.03.36

Abstract

Abstract: Relationships between sediment and heavy metal pollutions of eight cross sections(Lijiatuo，Egongyan，Huangshaxi， Shanhuba，Dafosi(Cuntan) ，Huanghuayuan，Hualongqiao，Ciqikou) in Chongqing urban section were investigated and analyzed.The results show that the relationship between particle size and pollution content is not apparent when the particle size is above 0.08 mm; when the particle size is less than 0.08 mm，the contaminant contents increase with particle size of sediment decreasing apparently．

Key words: Chongqing urban section, Yangtze River, Jialing River, sediment, heavy mental pollution

摘要： 以长江、嘉陵江重庆主城区江段为研究对象，在李家沱、鹅公岩大桥、黄沙溪、珊瑚坝、大佛寺大桥、大溪沟、化龙桥、磁器口8个点进行采样分，并对河床泥沙与重金属污染物关系进行了分析。结果表明:在粒径大于0．08mm 时，粒径与污染物含量关系并不是十分明显;而粒径小于0．08mm的泥沙，污染物含量随泥沙粒径减小而增大的幅度十分显著。

关键词: 重庆主城区, 长江, 嘉陵江, 泥沙, 重金属污染

CLC Number:

X522

Chen Jing,Wang Pingyi,Yang Yanmei,Zhang Xiufang. Relationship Between Sediment Size and Heavy Mental Pollutions in Yangtze River and Jialing River of Chongqing Urban City[J]. Journal of Chongqing Jiaotong University(Natural Science), 2012, 31(3): 512-516.

陈静，王平义，杨延梅，张秀芳. 重庆主城区两江江段河床泥沙粒径与重金属污染物关系[J]. 重庆交通大学学报（自然科学版）, 2012, 31(3): 512-516.

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