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GEOECOLOGICAL MONITORING AND RISKS OF TECHNOGENIC NOISE

Oksana A. Kopylova, Vladimir I. Dobrorodny, Marat S. Khairetdinov

Abstract

The article considers the estimation and prevention problem of ecologically dangerous influence of technogenic noises generated by moving transport, such as heavy tracked and wheeled transport, railway transport. The influence on the people and the environment of a low-frequency controlled CV-40 seismic vibrator [1] used for seismological research is considered separately. The influence of vibrations located in the area of low and infra-low frequencies is estimated. The results of field records of technogenic noises are analyzed. Numerical analysis and estimation of levels of geoecological risks associated with seismic vibrations in the ground and acoustic oscillations in the atmosphere are presented. Spectral and spectral-time analysis of technogenic noises records are performed. The main ecologically dangerous frequency areas, which are the most characteristic for these sources, are separated. The dynamics of the change in the level of vibration velocity over distance for heavy wheeled and tracked types of transport are determined. Estimates of geoecological risks for seismic and acoustic oscillations in the allocated frequency bands are obtained. Its average noise level during the twenty-four hours and average noise level during the daytime and nighttime have been determined. A comparative analysis of acoustic noise levels and vibration velocity levels from the sources with the critical norms and a discussion of the results were carried out. The results of the comparative analysis are presented.

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DOI resolver: doi.org/10.5593/sgem2021/2.1/s08.34

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