Wildfire smoke in the lower stratosphere identified by in situ CO observations

Hooghiem, Joram J. D.; Popa, Maria Elena; Röckmann, Thomas; Grooß, Jens-Uwe; Tritscher, Ines; Müller, Rolf; Kivi, Rigel; Chen, Huilin

doi:https://doi.org/10.5194/acp-20-13985-2020

Articles | Volume 20, issue 22

https://doi.org/10.5194/acp-20-13985-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-13985-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 22

Research article

|

19 Nov 2020

Research article |

| 19 Nov 2020

Wildfire smoke in the lower stratosphere identified by in situ CO observations

Joram J. D. Hooghiem, Maria Elena Popa, Thomas Röckmann, Jens-Uwe Grooß, Ines Tritscher, Rolf Müller, Rigel Kivi, and Huilin Chen

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Final revised paper (published on 19 Nov 2020)
Preprint (discussion started on 17 Mar 2020)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Report from Anonymous Referee #2', Anonymous Referee #2, 13 Apr 2020
RC2: 'Review of Wildfire smoke in the lower stratosphere identified by in situ CO observations', Anonymous Referee #1, 21 Apr 2020
AC1: 'Replies to both RC 1 and RC 2', Joram Hooghiem, 16 Sep 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Joram Hooghiem on behalf of the Authors (18 Sep 2020) Author's response Manuscript

ED: Publish as is (03 Oct 2020) by Joshua Fu

AR by Joram Hooghiem on behalf of the Authors (07 Oct 2020)

Short summary

Wildfires release a large quantity of pollutants that can reach the stratosphere through pyro-convection events. In September 2017, a stratospheric plume was accidentally sampled during balloon soundings in northern Finland. The source of the plume was identified to be wildfire smoke based on in situ measurements of carbon monoxide (CO) and stable isotope analysis of CO. Furthermore, the age of the plume was estimated using backwards transport modelling to be ~24 d, with its origin in Canada.