Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 18, issue 3
Articles | Volume 18, issue 3
https://doi.org/10.5194/acp-18-2139-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-18-2139-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 3
Research article
 | 
14 Feb 2018
Research article |  | 14 Feb 2018

Downwind evolution of the volatility and mixing state of near-road aerosols near a US interstate highway

Provat K. Saha, Andrey Khlystov, and Andrew P. Grieshop

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Short summary
We present spatial measurements of particle volatility and mixing state near a US interstate highway. We find that the relative abundance of semi-volatile species in ultrafine particles decreases with downwind distance and the mixing state of roadside aerosols does not change significantly within a few hundred meters from the highway. The results from our study show that exposures and impacts of near-road particles may differ across seasons and under changing ambient conditions.
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