PMID: 18409615Apr 16, 2008Paper

Air-water gas exchange of organochlorine pesticides in Taihu Lake, China

Environmental Science & Technology
Xinghua QiuJianxin Hu

Abstract

Previous research in the Taihu Lake Region (TLR) of China found high levels of atmospheric organochlorine pesticides (OCPs). To understand the sources and the environmental behaviors of these OCPs in the TLR, research on air-water gas exchange was performed in 2004. Hexachlorocyclohexanes (HCHs), DDT related compounds (DDTs), cis-chlordane (CC), trans-chlordane (TC), heptachlor (HEPT), and alpha-endosulfan in both air and water samples were analyzed, and air-water gas exchange fluxes of these compounds were calculated. The net volatilization flux of alpha-HCH was 58 ng m(-2) day(-1), suggesting that the residue of technical HCH in the lake sediment might have been an important source of alpha-HCH to the air of this region after the ban of technical HCH two decades ago. The main components of technical chlordane, TC, CC, and HEPT, each had net volatilization fluxes >230 ng m(-2) day(-1), suggesting that waste discharge from manufacturing plants in the upper region was the main source of chlordane to the lake. Unlike alpha-HCH and chlordane, o,p'-DDT and alpha-endosulfan had net deposition fluxes, suggesting that these compounds were transported through the atmosphere from land sources and then deposited into the lake. The correl...Continue Reading

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Citations

Mar 25, 2009·Environmental Science and Pollution Research International·Hongliang JiaJianmin Ma
Dec 18, 2013·Environmental Science and Pollution Research International·Guo-Hua DaiWen-Wen Gong
Feb 23, 2011·Chemosphere·Jun LuoBoqiang Qin
Sep 21, 2010·Chemosphere·Xinghua Qiu, Tong Zhu
Nov 27, 2009·The Science of the Total Environment·Jan WeberTerry Bidleman
Apr 16, 2013·The Science of the Total Environment·Lifei ZhangYeru Huang
Sep 4, 2012·The Science of the Total Environment·Jian-Yang GuoShuai Zhang
Dec 18, 2013·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Bin XueHai S Zhang
Oct 25, 2011·Journal of Environmental Monitoring : JEM·Gerhard LammelIgor Kovacić
May 30, 2020·Environmental Science and Pollution Research International·Tian ZhouFei Liu
Apr 19, 2020·Bulletin of Environmental Contamination and Toxicology·Zifan Wu, Yuqiang Tao
Jan 8, 2019·Environmental Science and Pollution Research International·Rizwan UllahSyed Ali Musstjab Akber Shah Eqani

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