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Multielement Contamination of Land in the Margin of Highways

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  • Dimitrios E. Alexakis

    (Laboratory of Geoenvironmental Science and Environmental Quality Assurance, Department of Civil Engineering, School of Engineering, University of West Attica, 250 Thivon & P.Ralli Str, 12244 Athens, Greece)

Abstract

The spatial distribution of potentially toxic elements in land near a heavily loaded highway in the West Attica region (Greece) is discussed. This study aimed to investigate the extent of soil contamination with trace elements on land in the margin of highways. The concentration of thirty-five elements in topsoil, car ash, and road sediment bulk samples was determined. Statistical and spatial analysis was applied for evaluating the geochemical dispersion of the examined elements. Geo-accumulation index was estimated. Elements content were compared to criteria and screening values established by the literature. The concentration of As, Cu, Mn, Ni, P, Pb, and Zn in topsoil appeared to be influenced by traffic emissions. It is found that engine exhaust, tyre wear, and brake lining contribute to the As, Ba, Cu, Mn, Ni, P, Pb, and Zn content recorded in topsoil in the margin of highways. The bulk sample of road sediment is moderately contaminated to extremely contaminated with Cu, Mn, Ni, P, Pb, and Zn. Comparison of elements content in topsoil with screening values revealed that Al, As, B, Ba, Cd, Co, Cr, Cu, Fe, Mn, Ni, Sb, V, and Zn pose a potential risk for plants.

Suggested Citation

  • Dimitrios E. Alexakis, 2021. "Multielement Contamination of Land in the Margin of Highways," Land, MDPI, vol. 10(3), pages 1-13, February.
    • Handle: RePEc:gam:jlands:v:10:y:2021:i:3:p:230-:d:505488
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    References listed on IDEAS

    as
    1. Dimitrios E. Alexakis, 2020. "Contaminated Land by Wildfire Effect on Ultramafic Soil and Associated Human Health and Ecological Risk," Land, MDPI, vol. 9(11), pages 1-16, October.
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    Cited by:

    1. Yu Song & Wenlong Li & Yating Xue & Huakun Zhou & Wenying Wang & Chenli Liu, 2021. "Impact of Industrial Pollution of Cadmium on Traditional Crop Planting Areas and Land Management: A Case Study in Northwest China," Land, MDPI, vol. 10(12), pages 1-20, December.
    2. Dimitrios E. Alexakis & George D. Bathrellos & Hariklia D. Skilodimou & Dimitra E. Gamvroula, 2021. "Spatial Distribution and Evaluation of Arsenic and Zinc Content in the Soil of a Karst Landscape," Sustainability, MDPI, vol. 13(12), pages 1-19, June.
    3. Ahmed Saleh & Yehia H. Dawood & Ahmed Gad, 2022. "Assessment of Potentially Toxic Elements’ Contamination in the Soil of Greater Cairo, Egypt Using Geochemical and Magnetic Attributes," Land, MDPI, vol. 11(3), pages 1-19, February.

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