Articles | Volume 19, issue 6
Research article
26 Mar 2019
Research article |  | 26 Mar 2019

In situ measurements of trace gases, PM, and aerosol optical properties during the 2017 NW US wildfire smoke event

Vanessa Selimovic, Robert J. Yokelson, Gavin R. McMeeking, and Sarah Coefield


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Robert Yokelson on behalf of the Authors (25 Feb 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (28 Feb 2019) by Ilona Riipinen
RR by Anonymous Referee #2 (04 Mar 2019)
ED: Publish as is (15 Mar 2019) by Ilona Riipinen
Short summary
A massive wildfire smoke episode impacted the western US and Canada in summer 2017. We measured CO, other trace gases, PM, BC, and aerosol optical properties at a heavily impacted, ground-based site affected by this event. Brown carbon diminished as smoke aged but was a persistent component of the regional smoke, accounting for about half of aerosol absorption at 401 nm on average. The PM / CO ratios suggested aerosol evaporation was dominant at the surface at smoke ages of up to ~ 1–2 days.
Final-revised paper