Articles | Volume 19, issue 23
Atmos. Chem. Phys., 19, 14849–14873, 2019
https://doi.org/10.5194/acp-19-14849-2019
Atmos. Chem. Phys., 19, 14849–14873, 2019
https://doi.org/10.5194/acp-19-14849-2019

Research article 10 Dec 2019

Research article | 10 Dec 2019

On the seasonal variation in observed size distributions in northern Europe and their changes with decreasing anthropogenic emissions in Europe: climatology and trend analysis based on 17 years of data from Aspvreten, Sweden

Peter Tunved and Johan Ström

Data sets

Aerosol number size distribution from rural measurment site Aspvreten (58.8N, 17.4E), 2000-2017 P. Tunved, J. Ström, and H. Karlsson https://doi.pangaea.de/10.1594/PANGAEA.900502

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Short summary
In this study we explore 17 years of aerosol number size distribution data (10–390 nm) observed at Aspvreten (58.8° N, 17.4° E, 25 m a.s.l.). The station, located in northern Europe, is representative of rural background conditions. The study focused on identifying trends in aerosol number size distribution properties. The study shows that total number has decreased by 30 % and aerosol submicron mass by 50 % on average. Observed trends vary strongly with both season and particle size.
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