Articles | Volume 17, issue 13
https://doi.org/10.5194/acp-17-8101-2017
https://doi.org/10.5194/acp-17-8101-2017
Research article
 | 
04 Jul 2017
Research article |  | 04 Jul 2017

Pan-Arctic aerosol number size distributions: seasonality and transport patterns

Eyal Freud, Radovan Krejci, Peter Tunved, Richard Leaitch, Quynh T. Nguyen, Andreas Massling, Henrik Skov, and Leonard Barrie

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Subject: Aerosols | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Acosta Navarro, J. C., Varma, V., Riipinen, I., Seland, Ø., Kirkevåg, A., Struthers, H., Iversen, T., Hansson, H.-C., and Ekman, A. M. L.: Amplification of Arctic warming by past air pollution reductions in Europe, Nat. Geosci., 9, 277–281, https://doi.org/10.1038/ngeo2673, 2016.
Arthur, D. and Vassilvitskii, S.: k-means+ + : the advantages of careful seeding, in Proceedings of the eighteenth annual ACM-SIAM symposium on Discrete algorithms, Society for Industrial and Applied Mathematics, New Orleans, Louisiana, 1027–1035, 2007.
Asmi, E., Kondratyev, V., Brus, D., Laurila, T., Lihavainen, H., Backman, J., Vakkari, V., Aurela, M., Hatakka, J., Viisanen, Y., Uttal, T., Ivakhov, V., and Makshtas, A.: Aerosol size distribution seasonal characteristics measured in Tiksi, Russian Arctic, Atmos. Chem. Phys., 16, 1271–1287, https://doi.org/10.5194/acp-16-1271-2016, 2016.
Baltensperger, U., Barrie, L., Fröhlich, C., Gras, J., Jäger, H., Jennings, S. G., Li, S.-M., Ogren, J., Wiedensohler, A., Wehrli, C. and Wilson, J.: Aerosol Measurement Procedures: Guidelines and Recommendations, Global Atmosphere Watch Report No. 153, Geneve, Switzerland, 2003.
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This study analyses multi-year observations of atmospheric particles from five Arctic sites. These particles affect climate and air quality. The main factors that control the distinct annual cycle in the concentration of these particles are long-range transport and precipitation. The former brings pollution from the Asian sector – mostly during winter/spring – while the latter clears the air in summer/autumn. However, there are consistent differences between the sites due to regional factors.
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