Articles | Volume 18, issue 16
https://doi.org/10.5194/acp-18-11991-2018
https://doi.org/10.5194/acp-18-11991-2018
Research article
 | 
22 Aug 2018
Research article |  | 22 Aug 2018

Characterizing the evolution of physical properties and mixing state of black carbon particles: from near a major highway to the broader urban plume in Los Angeles

Trevor S. Krasowsky, Gavin R. McMeeking, Constantinos Sioutas, and George Ban-Weiss

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Latest update: 14 Dec 2024
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Short summary
Black carbon (BC) particles can have deleterious health consequences and impact regional and global climate. We aim to observe how processing near highways and longer timescale aging in an urban plume affect BC physical properties including coatings. Measurements in distinct regions of the Los Angeles Basin indicate that health-relevant physical properties can change within 100 m of the freeway. Climate-relevant properties downwind of Los Angeles depend on day of week and overall meteorology.
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