Heavy Metals Accumulation and its Environmental Risk in Sediments of Xihe River, Shenyang City

Ji Song Yang; Xiao Jun Hu; Xin Xin Li; Hao Wu

doi:10.4028/www.scientific.net/AMR.414.250

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 414Heavy Metals Accumulation and its Environmental...

Heavy Metals Accumulation and its Environmental Risk in Sediments of Xihe River, Shenyang City

Abstract:

Heavy metal accumulation in Xihe River sediments was studied, and also its potential environmental risk was evaluated using geoaccumulation index (I_geo). The results showed that mean concentrations of Hg, Cd, Zn, Pb, Ba, Bi, Sn and Sb were 2.73, 18.42, 1066.1, 128.8, 366.9, 7.76, 24.70 and 8.53 mg/kg, respectively. The values of examined heavy metals, except for Ba, were higher than the reference of deep soil. There were different accumulation characteristics for heavy metals at different river sections. Cadmium and Pb concentrations in sediment dropped from upper to lower reaches along river, but Ba was quite the reverse. The potential environmental risk of heavy metals in sediments was in order: Cd > Hg > Bi > Zn > Sb > Sn > Pb > Ba. The river was subjected to a higher potential risk by Hg, Cd, Zn and Bi, a medium-high risk by Sn and Sb, and a lower risk by Pb and Ba.

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Periodical:

Advanced Materials Research (Volume 414)

Pages:

250-253

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.414.250

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Online since:

December 2011

Authors:

Ji Song Yang, Xiao Jun Hu, Xin Xin Li, Hao Wu

Keywords:

Heavy Metal, Potential Ecological Risk, River Sediment, Shenyang City, Xihe River

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