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November 2017, № 12 (212)


Seleznev A.A.
HEAVY METALS IN URBAN SURFACE DIRT IN CHELYABINSK CITY (RUSSIA)
The content of heavy metals was determined in urban surface dirt in Chelyabinsk city (Russia). The surface dirt is classified as facie of contemporary anthropogenic sediments in an urban environment, that participates in migration and accumulation of pollutants. The composition of urban dirt is represented by particles of soil, sand, turf, dust and small debris. The dirt sediment at the residential block area is accumulated from the urban territory of the various years of construction. The depth of the sediment is about 5 cm. The time of existence of dirt in urban landscape varies from several months to several decades. The contemporary sediment survey allows obtaining information about geochemical conditions of the urban territory. The survey in Chelyabinsk is a part of project aimed to determining mechanisms of forming, accumulation of pollution and identification of geoecological role of contemporary surface urban sediment. The project is conducted in the metropolises of Ural and Western Siberia regions of Russia. Correlation analysis was conducted for heavy metals in urban surface dirt in Chelybinsk. The comparative analysis of heavy metals content was conducted for urban surface dirt, soils and sediments of water bodies in the city. The heavy metals are transferred in alcalescent media of the surface dirt in Chelybinsk. The content of heavy metals urban surface dirt in the city exceeds their maximum permissible concentrations for urban soils.
Key words: urban surface dirt, contemporary urban sediments, sediments of local surface depressed areas of microrelief, heavy metals, pollution, urban environment.

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References:

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About this article

Authors: Seleznev A.A.
Year: 2017

Editor-in-chief
Zhanna Anatolievna
Ermakova

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