Articles | Volume 21, issue 6
https://doi.org/10.5194/acp-21-5173-2021
https://doi.org/10.5194/acp-21-5173-2021
Research article
 | 
01 Apr 2021
Research article |  | 01 Apr 2021

Aerosol dynamics and dispersion of radioactive particles

Pontus von Schoenberg, Peter Tunved, Håkan Grahn, Alfred Wiedensohler, Radovan Krejci, and Niklas Brännström

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Cited articles

Adachi, K., Kajino, M., Zaizen, Y., and Igarashi, Y.: Emission of spherical cesium-bearing particles from an early stage of the Fukushima nuclear accident, Sci. Rep., 3, 2554, https://doi.org/10.1038/srep02554, 2013. 
APCG: NEO atmospheric monitoring station, National Observatory of Athens, available at: http://apcg.meteo.noa.gr/index.php/infrastructure/neo-s-atmospheric-station, last access: 23 June 2020. 
Birmili, W., Stratmann, F., and Wiedensohler, A.: Design of a DMA-based size spectrometer for a large particle size range and stable operation, J. Aerosol Sci., 30, 549–553, https://doi.org/10.1016/S0021-8502(98)00047-0, 1999. 
Council of the European Union: Council Directive 2013/59/Euratom of 5 December 2013 laying down basic safety standards for protection against the dangers arising from exposure to ionising radiation, and repealing Directives 89/618/Euratom, 90/641/Euratom, 96/29/Euratom, 97/43/Euratom and 2003/122/Euratom, 1–73 2013. 
Danielache, S. O., Yoshikawa, C., Kajino, M., Itou, S., Kakeya, W., Yoshida, N., and Igarashi, Y.: Radioactive 35S emitted from the Fukushima Nuclear Power Plant and its re-suspension from the contaminated area, Geochem. J., 53, 103–118, https://doi.org/10.2343/geochemj.2.0542, 2019. 
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In a radiological emergency preparedness system, Lagrangian particle dispersion models are often used to track the dispersion of radioactive material. In this study we have shown the importance of simulating advanced aerosol dynamic processes that are commonly neglected or simplified in these simulations. We show that inclusion of detailed ambient-aerosol dynamics can play a large role in the model result in simulations adopting a more detailed representation of aerosol–cloud interactions.
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