Articles | Volume 21, issue 8
Atmos. Chem. Phys., 21, 6509–6539, 2021
https://doi.org/10.5194/acp-21-6509-2021
Atmos. Chem. Phys., 21, 6509–6539, 2021
https://doi.org/10.5194/acp-21-6509-2021

Research article 30 Apr 2021

Research article | 30 Apr 2021

Chemical composition and source attribution of sub-micrometre aerosol particles in the summertime Arctic lower troposphere

Franziska Köllner et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Franziska Köllner on behalf of the Authors (20 Jan 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (20 Jan 2021) by Nga Lee Ng
RR by Anonymous Referee #2 (31 Jan 2021)
ED: Publish subject to minor revisions (review by editor) (16 Feb 2021) by Nga Lee Ng
AR by Franziska Köllner on behalf of the Authors (25 Feb 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (26 Feb 2021) by Nga Lee Ng
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Short summary
We present in situ observations of vertically resolved particle chemical composition in the summertime Arctic lower troposphere. Our analysis demonstrates the strong vertical contrast between particle properties within the boundary layer and aloft. Emissions from vegetation fires and anthropogenic sources in northern Canada, Europe, and East Asia influenced particle composition in the free troposphere. Organics detected in Arctic aerosol particles can partly be identified as dicarboxylic acids.
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