Research of migration of technogenic bottom sediments with application of modern geoinformation systems

https://doi.org/10.35595/2414-9179-2020-2-26-201-211

View or download the article (Rus)

About the Authors

Nikolay G. Maksimovich

Perm State University,
Bukirev str., 15, 614990, Perm, Russia,
E-mail: nmax54@gmail.com

Olga A. Berezina

Perm State University,
Bukirev str., 15, 614990, Perm, Russia,
E-mail: berezina.olga16@gmail.com

Olga Yu. Meshcheriakova

Perm State University,
Bukirev str., 15, 614990, Perm, Russia,
E-mail: olgam.psu@gmail.com

Artem D. Demenev

Perm State University,
Bukirev str., 15, 614990, Perm, Russia,
E-mail: demenevartem@gmail.com

Abstract

The study of the regularities of formation and migration of technogenic bottom sediments in river ecosystems of mining regions is an urgent area of works of domestic and foreign researchers in connection with the high need to reduce the anthropogenic impact on the natural components of the environment. This article is devoted to the problems of the migration of pollutants and the formation of technogenic bottom sediments in river ecosystems in the Kizel coal basin (Perm Region, Russia). The scale of the problem is determined by the existence of numerous sources containing extremely high concentrations of elements of the 1st, 2nd and 3rd hazard classes.

The main sources of contaminants on the study area are acid mine waters discharged through former mines and springs, as well as effluents from waste dumps. These technogenic solutions are characterized by a multicomponent composition, in which high concentrations of the following elements (Fe, Al, Mn, Zn, Be, Cu, Pb, Cd et al.) are noted. Exceeding the MPC for some elements reaches hundreds and thousands of times; in all, according to various estimates, over 500 km of rivers are polluted in the territory of the former Kizel coal basin and in the zone of its influence.

The article describes the characteristics of bottom sediments of the river Kos’va, one of the largest regional rivers, according to long-term observations from 1984–2018, field studies, as well as the use of GIS technologies and the created geo-ecological geoinformation system of the Kizel coal basin. Also, based on international experience, environmental measures were proposed to restore the river ecosystems of the territory.

Keywords

industrial regions, hydrosphere, bottom sediments, heavy metals, mine water

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For citation: Maksimovich N.G., Berezina O.A., Meshcheriakova O.Yu., Demenev A.D. Research of migration of technogenic bottom sediments with application of modern geoinformation systems InterCarto. InterGIS. GI support of sustainable development of territories: Proceedings of the International conference. Moscow: Moscow University Press, 2020. V. 26. Part 2. P. 201–211. DOI: 10.35595/2414-9179-2020-2-26-201-211 (In Russian)