Articles | Volume 2, issue 1
https://doi.org/10.5194/ar-2-93-2024
https://doi.org/10.5194/ar-2-93-2024
Research article
 | 
22 May 2024
Research article |  | 22 May 2024

Intermediate ions as indicator for local new particle formation

Santeri Tuovinen, Janne Lampilahti, Veli-Matti Kerminen, and Markku Kulmala

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Cited articles

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Short summary
Atmospheric intermediate ions can be used to study atmospheric new particle formation (NPF). Here we aimed to find the optimal ion diameter for this purpose on a local scale. To fulfill our aim, we used ion size number distribution data from the SMEAR II measurement station, Hyytiälä, Finland. We found that concentrations of ions between 2.0–2.3 nm are the best suited for characterization of local intermediate ion formation and could be used to detect and evaluate the strength of local NPF.
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