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Atmospheric and Oceanic Optics

, Volume 32, Issue 5, pp 540–544 | Cite as

Variations in Soot Concentrations in the Megalopolises of Beijing and Moscow

  • V. M. KopeikinEmail author
  • G. S. Golitsyn
  • Wang Gengchen
  • Wang Pucai
  • T. Ya. PonomarevaEmail author
OPTICS OF CLUSTERS, AEROSOLS, AND HYDROSOLES
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Abstract

The measurements of soot aerosol concentration in Moscow and Beijing in 2004–2010 are presented. The variability ranges of one-time soot concentrations in this period of time had been 0.1–77 μg/m3 in Beijing and 0.1–22 μg/m3 in Moscow. The seven-year average daytime soot concentration in Beijing is 2.5 times higher than in Moscow. The seasonal behavior of the soot concentration is more pronounced in Moscow: the soot concentration is 33% lower in summer than in winter, and only 13% lower in Beijing. Analysis of back trajectories of air mass transport and variations in soot concentration showed that the soot content in the atmosphere of Beijing significantly increases when air masses are transported from industrially developed regions south of Beijing. The air pollution by soot in Moscow predominantly decreases due to advection when air masses from northern regions come to Moscow.

Keywords:

black carbon aerosol aerosol mass concentration pollution of the atmosphere of megalopolis back trajectories of air mass transport 

Notes

FUNDING

This work was supported in part by the Russian Foundation for Basic Research (project no. 18-55-53 062).

CONFLICT OF INTEREST

The authors declare that they have no conflicts of interest.

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  1. 1.Obukhov Institute of Atmospheric Physics, Russian Academy of SciencesMoscowRussia
  2. 2.Institute of Atmospheric Physics, Chinese Academy of SciencesBeijingChina
  3. 3.Hydrometeorological Center of RussiaMoscowRussia

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