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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Cited articles

Aubinet, M., Vesala, T., and Papale, D. (Eds.): Eddy Covariance. A Practical Guide to Measurement and Data Analysis, Springer Netherlands, Dordrecht, https://doi.org/10.1007/978-94-007-2351-1, 2012. 
Bäfver, L. S., Leckner, B., Tullin, C., and Berntsen, M.: Particle emissions from pellets stoves and modern and old-type wood stoves, Biomass Bioenerg., 35, 3648–3655, https://doi.org/10.1016/j.biombioe.2011.05.027, 2011. 
Baldocchi, D.: Assessing the eddy covariance technique for evaluating carbon dioxide exchange rates of ecosystems: past, present and future, Glob. Change Biol., 9, 479–492, 2003. 
Burba, G. and Anderson, D.: A brief practical Guide to Eddy Covariance Flux Measurements, Principles and workflow examples for scientific and industrial applications, LI-COR Biosciences, Lincoln, Nebraska, USA, 2010. 
Buzorius, G.: Cut-Off Sizes and Time Constants of the CPC TSI 3010 Operating at 1–3 lpm Flow Rates, Aerosol Sci. Tech., 35, 577–585, https://doi.org/10.1080/02786820121505, 2001. 
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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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