Articles | Volume 19, issue 1
https://doi.org/10.5194/acp-19-39-2019
https://doi.org/10.5194/acp-19-39-2019
Research article
 | 
03 Jan 2019
Research article |  | 03 Jan 2019

Interpretation of particle number size distributions measured across an urban area during the FASTER campaign

Roy M. Harrison, David C. S. Beddows, Mohammed S. Alam, Ajit Singh, James Brean, Ruixin Xu, Simone Kotthaus, and Sue Grimmond

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Cited articles

Agus, E. L., Young, D. T., Lingard, J. J. N., Smalley, R. J., Tate, J. E., Goodman, P. S., and Tomlin, A. S.: Factors influencing particle number concentrations, size distributions and modal parameters at a roof-level and roadside site in Leicester, UK, Sci. Total Environ., 386, 65–82, 2007. 
Alam, M. S., Rezaei, S. Z., Stark, C. P., Liang, Z., Xu, H. M., and Harrison R. M.: The characterisation of diesel exhaust particles – composition, size distribution and partitioning, Faraday Discuss., 189, 69–84, 2016. 
Beddows, D. C. S., Harrison, R. M., Green, D. C., and Fuller, G. W.: Receptor modelling of both particle composition and size distribution from a background site in London, UK, Atmos. Chem. Phys., 15, 10107–10125, https://doi.org/10.5194/acp-15-10107-2015, 2015. 
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Short summary
Particle number size distributions were measured simultaneously at five sites in London during a campaign. Observations are interpreted in terms of both evaporative shrinkage of traffic-generated particles and condensational growth, probably of traffic-generated particles under cool nocturnal conditions, as well as the influence of particles emitted from Heathrow Airport at a distance of about 22 km. The work highlights the highly dynamic behaviour of nanoparticles within the urban atmosphere.
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