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Atmospheric and Oceanic Optics

, Volume 27, Issue 1, pp 24–32 | Cite as

Variations in aerosol microphysical parameters of the surface air layer in the “ocean-continent” transitional zone

  • K. A. Shmirko
  • A. N. Pavlov
  • S. Yu. Stolyarchuk
  • O. A. Bukin
  • A. A. Bobrikov
  • V. V. Pol’kin
  • Nguen Suan An’
Optics of Clusters, Aerosols, and Hydrosoles

Abstract

This article provides the study results of variations in microphysical parameters of atmospheric aerosol in the surface layer of the “ocean-continent” transitional zone. The analyzed data were obtained during the period from August 1, 2010, to December 31, 2012, at the lidar station of the Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Sciences (IACP FEB RAS), Vladivostok. Mass concentrations of fine aerosol and black carbon and particle size distribution functions typical for the region under study were obtained. In winter, with strong north winds and low relative humidity (50 ± 20)%, dry continental aerosol predominates, and values of the aerosol number density N a are increased, with maxima in the range from 100 and 120 cm−3. In summer, when south winds prevail and the relative humidity attains 98%, sea aerosol predominates and N a took values from (5 ± 5) cm−3 in June, 2011, to (44 ± 20) cm−3 in July, 2011. Periodicity of diurnal variations in the mass and number density of atmospheric aerosol and black carbon are pronounced the best in winter. The modal radius of fine aerosol particles is from 0.275 μm in summer to 0.375 μm in winter, and of coarse aerosol particles, from 1.05 to 2.5 μm, respectively. Seasonal and diurnal variations in the mass concentration of black carbon M BC are the most stable; its values vary from (0.5 ± 0.5) μg/m3 in the early summer to (3.0 ± 2.0) μg/m3 in January–February. It has been ascertained that diurnal variations in M BC in Siberia (Tomsk) and in the “ocean-continent” transitional zone (Vladivostok) are similar in shape, but the amplitude of variations is higher in the latter case and is maximal in winter.

Keywords

Black Carbon Diurnal Variation Aerosol Particle Aerosol Optical Depth Transitional Zone 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2014

Authors and Affiliations

  • K. A. Shmirko
    • 1
  • A. N. Pavlov
    • 1
  • S. Yu. Stolyarchuk
    • 1
  • O. A. Bukin
    • 2
  • A. A. Bobrikov
    • 2
  • V. V. Pol’kin
    • 3
  • Nguen Suan An’
    • 4
  1. 1.Institute of Automation and Control Processes, Far Eastern BranchRussian Academy of SciencesVladivostokRussia
  2. 2.Admiral G.I. Nevelskoi Maritime State UniversityVladivostokRussia
  3. 3.V.E. Zuev Institute of Atmospheric Optics, Siberian BranchRussian Academy of SciencesTomskRussia
  4. 4.Institute of Geophysics (IGP)Cau Giay, HanoiVietnam

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