Key ecological aspects of coal mining technology (in terms of the Bureya open pit coal mine)

Authors: Озарян Ю. А., Васянович Ю. А.

Coal mining greatly affects the environment, especially atmospheric air, ground surface and water bodies. This article describes the results of the case study on coal dust formation and propagation. Satellite observations and image analysis allowed the authors to identify productioninduced objects and to calculate their area. The main sources and types of air pollution during coal mining by the open pit method are defined. It is found that the disturbed land area in the influence zones of the Bureya open pit mine, solely, is not less than 662 ha. From the satellite images, it is revealed that the coal dust transport radius in the test area is from 2 to 4 km depending on the direction. The features of initiation and growth of the production-induced pollution sources during open pit coal mining are studied. Using the winter satellite images, the coal dust propagation dynamics in space and time from a source to the natural-and-technical system is determined for the period from 2009 to 2019. The events of natural recovery of phytocenoses in the disturbed lands are indicated. The vegetation dynamics in the influence zone of the coal field development is analyzed. From the visual decoding and based on the variation of the vegetation index NDVI, it is determined that plant communities in the range zone of coal dust suffer from essential anthropogenic impact. Natural recoverability of vegetation in the disturbed territory is specified.

Keywords: Mining industry, open pit coal mining, coal dust, anthropogenic impact, dusting surface inactivation, natural-and-technical system, geoecology, natural recovery.
For citation:

Ozaryan YuA., Vasyanovich YuA. Key ecological aspects of coal mining technology (in terms of the Bureya open pit coal mine). MIAB. Mining Inf. Anal. Bull. 2020;(1):15-25. [In Russ]. DOI: 10.25018/0236-1493-2020-1-0-15-25.

Acknowledgements:
Issue number: 1
Year: 2020
Page number: 15-25
ISBN: 0236-1493
UDK: 622.85:622.807
DOI: 10.25018/0236-1493-2020-1-0-15-25
Article receipt date: 06.10.2019
Date of review receipt: 17.11.2019
Date of the editorial board′s decision on the article′s publishing: 20.12.2019
About authors:

Yu.A. Ozaryan, Cand. Sci. (Eng.), Senior Researcher,
Mining Institute, Far Eastern Branch of Russian Academy of Sciences,
680000, Khabarovsk, Russia, e-mail: ozaryanigd@gmail.com,
Yu.A. Vasyanovich, Dr. Sci. (Eng.), Professor,
Far Eastern Federal University, 690091, Vladivostok, Russia,
Corresponding author: Yu.A. Ozaryan, e-mail: ozaryanigd@gmail.com.

For contacts:

Yu.A. Ozaryan, e-mail: ozaryanigd@gmail.com.

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