Abstracts & Presentations

Relation between aerosol number, size distribution and atmospheric potential gradient in an urban area

M D Wright, J C Matthews, A Bacak, H G Silva, M Priestley, C J Percival & D E Shallcross.
Annual Aerosol Science Conference 2015

We show results from a 3-week campaign (Jul-Aug 2015) in an urban environment (Manchester, UK) to examine the relationship between PG and aerosol size and concentration. In fair weather, we observe a positive relationship between particle number concentration (PNC) and PG, but there is significant variability from day to day and by data averaging period, suggesting non-aerosol factors are more important at different times. Further analysis is required to determine the conditions affecting the strength of the coupling between aerosols and PG.

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