DISTRIBUTION OF HEAVY METALS CONCENTRATIONS IN SOILS AROUND THE INTERNATIONAL ATHENS AIRPORT (GREECE). AN ASSESSMENT ON PRELIMINARY DATA
Abstract
Soils are receptors of atmospheric metal depositions and hence reliable indicators of pollution phenomena, especially for cases that potential site specific pollution sources are detected in terrestrial ecosystems. The purpose of this study was to assess the distribution of Cu, Zn, Fe, Mn, Ni, Cr, Pb, and Ba concentrations in soils nearby the International Athens Airport “El. Venizelos”, in Attica, Greece. Total metal concentrations were determined in 86 topsoil aqua regia extracts and the median values for Cu, Zn, Fe, Mn, Ni, Cr, Pb, and Ba concentrations were 23, 81, 22x103 , 497, 87, 74, 75, and 423 mg kg-1 respectively. Though median values are not considered as high, the 90th percentile concentration values for some metals are high, indicating possible soil enrichment by these metals. A tendency for increased concentrations of Zn and Cr along the north-south axis and of Pb, Cu and Ni at the northern part of the studied area was also observed. As a first approach to discriminate between natural and anthropogenic metal contributions in the soils of the area, the obtained preliminary data were subjected to cluster analysis and to the evaluation of metals Enrichment Factors (EFs). Both EF values and cluster analysis results suggested secondary Pb, Cu and Zn site specific accumulation in the soils of the studied area.
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Massas, I., Ioannou, D., Kalivas, D., & Gasparatos, D. (2016). DISTRIBUTION OF HEAVY METALS CONCENTRATIONS IN SOILS AROUND THE INTERNATIONAL ATHENS AIRPORT (GREECE). AN ASSESSMENT ON PRELIMINARY DATA. Bulletin of the Geological Society of Greece, 50(4), 2231–2240. https://doi.org/10.12681/bgsg.14279
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- Special Session: Enviromental Geochemistry
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