SURFACE MINING
Original Paper
UDC 622.271:622.85 © O.I. Podurets, 2023
ISSN 0041-5790 (Print) • ISSN 2412-8333 (Online) • Ugol’ – Russian Coal Journal, 2023, № 10, pp. 51-58. DOI: http://dx.doi.org/10.18796/0041-5790-2023-10-51-58
Title
SPATIAL VARIABILITY OF THE CONTENT OF HEAVY METALS IN THE SOIL COVER UNDER THE INFLUENCE OF A COAL MINING ENTERPRISE
Authors
Podurets O.I.1
1KSPI FGBOU VO "Kemerovo State University", Novokuznetsk, 6546041, Russian Federation
Authors Information
Podurets O.I., PhD (Biological), Associate Professor, Associate Professor of the Department of Natural Sciences,
e-mail: glebova-podurets@mail.ru
Abstract
Open field development dynamically transforms and complicates the structure of the soil cover. Zonal soils, which have retained their natural composition, and young man-made soils - embryozems, formed under conditions of self-pasting on the dumps of the coal mine, are located in the zone of high dust load and are located in the vicinity of pollution sources. To assess the spatial variability of properties, pH, humus, fraction of physical clay and gross forms of elements belonging to the critical group of substances - indicators of environmental stress: Hg, Pb, Cd, Zn and As were taken into account. It follows from the results that soils contain gross forms of toxic elements in quantities not exceeding the normative indicators, with the exception of As with an excess of up to 2.6 MPC in zonal soils. The content of arsenic in embryozems is lower than the normative indicators, but it has been suggested that the alkaline pH of the soils of the technogenic landscape may manifest itself in reducing the adsorption of this pH-dependent element, and increase its mobility, which must be taken into account when developing a project for the reclamation of this dump. The variability class of gross element content varies from strong to weak, which can be expressed in the following rows: for zonal soils Cd > As > Pb > Zn, for embryozems Pb > As > Zn > Cd.
Keywords
Soils, Technogenic landscape, Pollution, Toxic elements.
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For citation
Podurets O.I. Spatial variability of the content of heavy metals in the soil cover under the influence of a coal mining enterprise. Ugol’, 2023, (10), pp. 51-58. (In Russ.). DOI: 10.18796/0041-5790-2023-10-51-58.
Paper info
Received May 29, 2023
Reviewed September 14, 2023
Accepted September 26, 2023
