COMPLEX ECOLOGICAL-GEOCHEMICAL ASSESSMENT OF TERRITORIES WITH TECHNOGENIC POLLUTION

UDC 550.42 + 550.832 + 634.12

https://doi.org/10.15407/mineraljournal.38.02.088

K.M. Bondar (1), I.V. Kuraeva (2), Yu.Yu. Voitiuk (2), I.V. Tsyupa (1), I.R. Stakhiv (1), O.V. Matvienko (2), Yu.V. Kuz (1)

(1) Taras Shevchenko Kyiv National University

90, Vasylkivska Str., Kyiv, Ukraine, 03022

Е-mail: ks_bondar@ukr.net; tsyupa@ukr.net; fatix@ukr.net

(2) M.P. Semenenko Institute of Geochemistry, Mineralogy and Ore Formation of the NAS of Ukraine

34, Acad. Palladina Pr., Kyiv-142, Ukraine, 03680

E-mail: yuliasun86@mail.ru

COMPLEX ECOLOGICAL-GEOCHEMICAL ASSESSMENT OF TERRITORIES WITH TECHNOGENIC POLLUTION

Language: Ukrainian

Mineralogical journal 2016, 38 (2): 88-95

Abstract: The study deals with results of comprehensive analysis of the spatial distribution of heavy metals content and magnetic properties of surface deposits of the powerful metallurgical center — the city of Mariupol. The study area is characterized by a significant level of anthropogenic impact. Pollution Load Index (PLI), calculated by five metals (Mn, Cu, Pb, Zn, Sn) can reach 14. According to PLI values, the surface sediments horizon of 0—5 cm is more polluted by heavy metals compared to the horizon of 5—10 cm. It is shown that Zn and Mn are accumulated in the 0—5 cm layer more intensively than in the layer of 5—10 cm, conversely Pb, Cu, Cr are accumulated mainly in 5—10 cm layer, due to the specific adsorption of each element under conditions of multielement pollution. The low-frequency magnetic susceptibility (χLF) of surface deposits lies within the range of (67—10690) · 10–8 m3/kg, with an average value 836 ·10–8 m3/kg in the horizon of 0—5 cm, which 10 times exceeds the background value for ordinary chernozem. The frequency dependence of the magnetic susceptibility (Kfd) varies in the range of 0.2—7.5 % with the average value 2.8 % indicating the predomination of multidomain grains in magnetic fraction of surface sediments. The increase of Pollution Load Index (PLI) of surface deposits is accompanied with enhancement. It means that geochemical pollution is accumulated jointly with magnetic one. The anomalies of the very strong magnetic and geochemical contamination are localized around metallurgical plants "Illicha" and "Azovstal". Integration of ecological and geochemical studies with magnetic monitoring can be recommended to control the level of anthropogenic pollution of the urban environment in Mariupol.

Keywords: pollution load index, heavy metals, surface sediments, low-frequency magnetic susceptibility..

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