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| POLYCYCLIC AROMATIC HYDROCARBONS IN LALU WETLAND OF LHASA CITY AND THEIR SOURCES |
| LIU Jian-hua1,2, QI Shi-hua1,2, ZHANG Gan2, ZHANG Wei-ling2 |
1. Institute of Geochemistry, Faculty of Geosciences, China University of Geosciences, Wuhan 430074, China;
2. SKLOG, Guangzhou Institute of Geochemistry Chinese Academy of Science, Guangzhou 510640, China |
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Abstract Based on an analysis of samples from soil, sediments and atmosphere, the authors made a preliminary study of polycyclic aromatic hydrocarbons in Lalu wetland within suburban districts of Lhasa City. The averages of 16 sorts of polycyclic aromatic hydrocarbons amount to 82.45×10-9, and the polycyclic aromatic hydrocarbons consist of both low cyclic ones and high cyclic ones. It is held that the polycyclic aromatic hydrocarbons in the wetland soil are derived mainly form the atmosphere.
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Received: 10 September 2003
Published: 24 December 2003
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