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Atmospheric and Oceanic Optics

2015 year, number 8

Nucleation bursts in the atmosphere over boreal zone in West Siberia. Part II. Formation and growth rates of nanoparticles

M.Yu. Arshinov1, B.D. Belan1, D.K. Davydov1, A.V. Kozlov1, A.S. Kozlov2, V.G. Arshinova1
1V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
2V.V. Voevodsky Institute of Chemical Kinetics and Combustion of the Siberian Branch of the RAS, 3 Institutskaya str., 3, 630090, Novosibirsk, Russia
Keywords: нуклеационные всплески, образование новых частиц, скорость образования, скорость роста, наночастицы, nucleation bursts, new particle formation, formation rate, growth rate, nanoparticles


In this paper a number size distribution of atmospheric nanoparticles has been analyzed with a view to estimate particle formation and growth rates during the nucleation bursts observed in the atmospheric surface layer over West Siberia. Estimates showed that during the period from March 2010 to August 2014, inclusively, new particle formation and growth rates ranged from 0.1 to 3.55 cm -3 × s -1 and from 0.26 to 53.04 nm × h -1, respectively. Results of continuous long-term observations recently carried out at two atmospheric monitoring stations located in Siberia point out a similarity of them with the frequency and main characteristics of nucleation bursts recorded in other regions of the boreal belt. Statistical data on nucleation bursts obtained in our region can be used when modeling the climate change and developing methods of their identification on a global scale with the use of satellite data.