Spatial Distribution and Pollution Evaluation of Heavy Metals of Surface Sediments in Nansi Lake

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Abstract:

The heavy metals contents of 29 samples were tested in Nansi Lake which was divided into 5 parts. The heavy metals included Hg, Cd, Cr, Pb, Ni, Cu, Zn and As. The spatial distribution of heavy metals of 5 Lakes region has been received. The pollution of heavy metals was with evaluated with Igeo and RI. The results showed that: Nasi Lake has been polluted by heavy metals in middle level, and As, Hg, Cd and Pb were more serious. The heavy metals pollution of the part in north were more serious than in south, except the As and Cd. Overall, the heavy metals pollution in the north Zhaoyang Lake was the most serious, followed by the Nanyang Lake, Weishan Lake, Dushan Lake and the south Zhaoyang Lake.

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804-807

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July 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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