A STUDY OF GRANULOMETRIC COMPOSITION OF ATMOSPHERIC SUSPENSIONS OF THE LARGEST CITIES IN KHABAROVSK KRAI (KHABAROVSK, KOMSOMOLSK-ON-AMUR, SOVETSKAYA GAVAN AND NIKOLAYEVSK-ON-AMUR)
https://doi.org/10.36604/1998-5029-2019-74-53-61
Abstract
Introduction. This work is devoted to the study of the fractional composition of solid suspended particles in the atmospheric air of the Khabarovsk territory (Khabarovsk, Komsomolsk-on-Amur, Sovetskaya Gavan, Nikolaevskon-Amur). Aim. To detect in the air the content of microparticles of atmospheric suspensions that have an impact on air quality, climate, people, and animals. Materials and methods. Atmospheric suspensions were studied in snow that was collected during snowfalls to exclude its secondary pollution by anthropogenic aerosols. Snowmelt was analyzed on a laser particle analyzer Fritsch Analysette 22 NanoTech (Germany) which allows one measurement to establish the distribution of particles in size, as well as to determine their shape. Results. In all the observed settlements, a moderately high percentage of the suspension fraction with a diameter of up to 10 micrometers was recorded, which can pose a danger to human health. In general, the content of this fraction varies widely: from 4.7% to 49%. At the same time, the highest percentage of particles with a diameter of up to 10 micrometers was observed in the samples taken in Nikolaevsk-on-Amur. The results of the analysis of samples in Khabarovsk 2018 are compared with the results of the analysis of samples taken at the same stations in 2011. According to the results of two measurements of the content of suspended substances in the air of Khabarovsk, held with a difference of 7 years, it is clear that air quality in this city has not undergone significant changes. Conclusion. On the basis of our own data, statistical and literary sources, the conclusion is made about the influence of anthropogenic factors on the content of fine fraction of solid particles in the surface air of the cities of the Khabarovsk territory, which contribute to an increase in the risk of respiratory diseases.
About the Authors
A. S. Kholodov
Far Eastern Federal University
Russian Federation
Russian Federation
PhD (Geogr.), senior specialist at the School of Engineering
8 Sukhanova Str., Vladivostok, 690950, Russian Federation
V. A. Drozd
Far Eastern Federal University
Russian Federation
Russian Federation
engineering of radiation safety at the School of Engineering
8 Sukhanova Str., Vladivostok, 690950, Russian Federation
K. S. Pikula
Far Eastern Federal University
Russian Federation
Russian Federation
PhD (Biol.), Staff scientist at the School of Engineering
8 Sukhanova Str., Vladivostok, 690950, Russian Federation
K. S. Golokhvast
Far Eastern Federal University,
Pacific Geographical Institute FEB RAS,
Vladivostok Branch of the Far Eastern Center of Physiology and Pathology of Respiration – Research Institute of Medical Climatology and Rehabilitation Treatmen
Russian Federation
Russian Federation
PhD, D.Sc. (Biol.), Professor of the Department of Life Safety in Technosphere, Engineering School; Leading Staff Scientist of Laboratory of Ecology and Animals Protection; Senior Staff Scientist
of Laboratory of Medical Ecology and Recreational Resources
8 Sukhanova Str., Vladivostok, 690950, Russian Federation
7 Radio Str., Vladivostok, 690041, Russian Federation
73g Russkaya Str., Vladivostok, 690105, Russian Federation
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Review
For citations:
Kholodov A.S., Drozd V.A., Pikula K.S., Golokhvast K.S. A STUDY OF GRANULOMETRIC COMPOSITION OF ATMOSPHERIC SUSPENSIONS OF THE LARGEST CITIES IN KHABAROVSK KRAI (KHABAROVSK, KOMSOMOLSK-ON-AMUR, SOVETSKAYA GAVAN AND NIKOLAYEVSK-ON-AMUR). Bulletin Physiology and Pathology of Respiration. 2019;(74):53-61. (In Russ.) https://doi.org/10.36604/1998-5029-2019-74-53-61
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