Spatial distribution of metals in urban topsoils of Xuzhou (China): controlling factors and environmental implications |
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| Authors: | Xue-song Wang Yong Qin |
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| Institution: | (1) Department of Chemical Engineering, Huaihai Institute of Technology, 222005 Lianyungang, Jiangsu, China;(2) School of Mineral Resources and Geo-Science, China University of Mining and Technology, 221008 Xuzhou, Jiangsu, China |
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| Abstract: | The contamination of soils by metals from various sources is a subject of increasing concern in recent times. Twenty-eight
elements (Fe, Ti, Cr, Al, Ga, Pb, Sc, Ba, Li, Cd, Be, Co, Cu, Mn, Ni, V, Zn, Mo, Pt, Pd, Au, As, Sb, Se, Hg, Bi, Ag and Sn)
have been analyzed from urban topsoil from the city of Xuzhou. The concentrations of these analyzed elements have been correlated
to some soil parameters such as organic matter, pH, cation exchange capacity, carbonate content, and granulometric fractions
(clay, silt and sand). Results of the statistical analysis show a large variety and complexity in these relationships. The
spatial distributions of these metal concentrations were also constructed using geographical information system. The spatial
distribution patterns of the elements analyzed show that traffic and industrial activities are the principal anthropogenic
pollutant sources. |
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| Keywords: | Urban topsoils Heavy metal GIS Spatial distribution Soil contamination China |
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