Study on Pollution Sources and Degree of Sedi- ments in Northwestern Rivers Flowing into Taihu Lake

• 作者: LIU Quan YUAN Xu-yin SHI Zhi-qiang WANG Xiao-yan CUI Jing
• 来源期刊: 气象与环境研究：英文版
• 学科: 地球科学
• 关键词: 河流沉积物 污染沉积物 太湖流域 西北部 重金属污染 农业面源污染 河流污染控制 工业污染
• 年，卷（期）: 2012,（7）
• 页码范围: 46-50
• 页数: 5页
• 分类号: X522

摘要

[Objective]The study aimed to analyze the pollution sources and degree of sediments in seven northwestern rivers flowing into Taihu Lake. [Method]Based on a survey for the sediments in seven rivers flowing into the northwestern Taihu Lake from 2005 to 2007,the molar ratio of major elements was used to determine the main pollution sources of each channel,and the heavy metal pollution of sediments in the seven rivers was assessed by enrichment coefficient. [Result]Mashan River,Liangxi River and Xiwan River mainly suffered municipal pollution; Zhihu Port and Caoqiao River were chiefly subjected to industrial pollution; Dapu River and Wujin River were mainly affected by agricultural pollution. In addition, the rivers mainly suffering industrial pollution had the most serious heavy metal pollution,followed by the rivers mainly undergoing agricultural pollution,while the rivers chiefly affected by municipal pollution had the minimum pollution. [Conclusion]The research could provide scientific references for the control of river pollution by heavy metals along Taihu Lake basin.