Sedimentary record of polycyclic aromatic hydrocarbons and DDTs in Dianchi Lake, an urban lake in Southwest China

	Sedimentary record of polycyclic aromatic hydrocarbons and DDTs in Dianchi Lake, an urban lake in Southwest China
	Jian-yang Guo, Feng-chang Wu; Hai-qing Liao; Xiao-li Zhao; Wen Li; Jing Wang; Li-fang Wang; John P. Giesy
	2013
发表期刊	Environmental Science and Pollution Research
卷号	20 期号:8 页码:5471-5480
摘要	Unique time trends of polycyclic aromatic hydrocarbons (PAHs) and dichlorodiphenyltrichloroethanes (DDTs) were found in a dated sediment core from Dianchi Lake (DC), an urban lake in Southwest China. The temporal trend of PAHs in DC was not only different from those in China's coastline and remote lakes of China, but also different from those in more developed countries. Identification of sources suggested that PAHs in DC originated primarily from domestic combustion of coal and biomass. However, a change of source from low- and moderate-temperature combustion to high-temperature combustion processes was observed. Different from those in China's coastline and some developed countries, the temporal trend of DDTs in DC mirrored the historical usage of DDTs in China, with erosion of soils and surface runoff from its drainage area the most likely routes of DDT introduction to the lake. Rapid urbanization and industrialization in its catchment, effective interception of point-source pollution, and changes in sources of energy during the last few decades have significantly influenced the vertical profiles of PAHs in DC.
关键词	Pahs Dichlorodiphenyltrichloroethane Sediment Core Pesticides Combustion
学科领域	环境地球化学
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.gyig.ac.cn/handle/352002/5051
专题	环境地球化学国家重点实验室_环境地球化学国家重点实验室_期刊论文环境地球化学国家重点实验室
推荐引用方式 GB/T 7714	Jian-yang Guo, Feng-chang Wu,Hai-qing Liao,Xiao-li Zhao,et al. Sedimentary record of polycyclic aromatic hydrocarbons and DDTs in Dianchi Lake, an urban lake in Southwest China[J]. Environmental Science and Pollution Research,2013,20(8):5471-5480.
APA	Jian-yang Guo, Feng-chang Wu.,Hai-qing Liao.,Xiao-li Zhao.,Wen Li.,Jing Wang.,...&John P. Giesy.(2013).Sedimentary record of polycyclic aromatic hydrocarbons and DDTs in Dianchi Lake, an urban lake in Southwest China.Environmental Science and Pollution Research,20(8),5471-5480.
MLA	Jian-yang Guo, Feng-chang Wu,et al."Sedimentary record of polycyclic aromatic hydrocarbons and DDTs in Dianchi Lake, an urban lake in Southwest China".Environmental Science and Pollution Research 20.8(2013):5471-5480.

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