Articles | Volume 22, issue 4
https://doi.org/10.5194/acp-22-2487-2022
https://doi.org/10.5194/acp-22-2487-2022
Research article
 | 
24 Feb 2022
Research article |  | 24 Feb 2022

Frequent new particle formation at remote sites in the subboreal forest of North America

Meinrat O. Andreae, Tracey W. Andreae, Florian Ditas, and Christopher Pöhlker

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Short summary
Atmospheric aerosol particles are key players in the Earth’s climate system, but there is still considerable uncertainty about where and how these particles are initially formed. We present the first study of new particle formation (NPF) at a pristine site in a subboreal forest region of North America. Our data suggest that, in this environment, there is frequent NPF from biogenic organic precursor compounds, which was likely the predominant source of particles in the preindustrial environment.
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