Articles | Volume 21, issue 24
https://doi.org/10.5194/acp-21-18707-2021
https://doi.org/10.5194/acp-21-18707-2021
Measurement report
 | 
23 Dec 2021
Measurement report |  | 23 Dec 2021

Measurement report: Three years of size-resolved eddy-covariance particle number flux measurements in an urban environment

Agnes Straaten and Stephan Weber

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Latest update: 28 Mar 2024
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Short summary
Cities show high concentrations of ultrafine particles due to multiple emission sources such as traffic and industry. To analyse turbulent urban surface–atmosphere exchange of particles, we quantified multi-annual size-resolved particle number fluxes in Berlin, Germany. The site was a net source of particles with a dominant contribution of traffic-related emission, especially very small particles < 30 nm. Particle fluxes clearly varied as a function of anthropogenic activity and urban land use.
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