Heavy metal pollution in Tianjin Bohai Bay, China |
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Authors: | MENG Wei QIN Yanwen ZHENG Binghui and ZHANG Lei |
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Institution: | River and Coastal Environment Research Center, Chinese Research Academy of Environmental Sciences, Beijing 100012, China |
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Abstract: | The contamination levels and distribution characters of heavy metals in coastal waters and sediments from Tianjin Bohai Bay,China were examined.Pb and Zn were found as the main heavy metal pollutants in the coastal waters of the bay.High levels of Pb and Zn appeared especially near the estuary,indicating that river discharge was the main pollution source.Moreover,atmospheric deposition resulted in Pb contamination in the middle of the embayment.Analysis of data for the period 1987-2004 indicated that Pb ... |
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Keywords: | heavy metals pollution Tianjin Bohai Bay China |
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