Articles | Volume 14, issue 24
https://doi.org/10.5194/acp-14-13789-2014
https://doi.org/10.5194/acp-14-13789-2014
Research article
 | 
23 Dec 2014
Research article |  | 23 Dec 2014

Origin, variability and age of biomass burning plumes intercepted during BORTAS-B

D. P. Finch, P. I. Palmer, and M. Parrington

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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 Douglas Finch on behalf of the Authors (08 Oct 2014)  Author's response    Manuscript
ED: Reconsider after major revisions (21 Oct 2014) by Rob MacKenzie
AR by Douglas Finch on behalf of the Authors (28 Oct 2014)  Author's response    Manuscript
ED: Reconsider after minor revisions (Editor review) (05 Nov 2014) by Rob MacKenzie
AR by Douglas Finch on behalf of the Authors (20 Nov 2014)  Author's response    Manuscript
ED: Publish as is (23 Nov 2014) by Rob MacKenzie
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Short summary
We use the GEOS-Chem chemical transport model to quantify the CO sources responsible for the observed CO during the BORTAS-B campaign over Canada in 2011. We found the largest source was biomass burning from Ontario, with smaller sources from fossil fuel emissions from Asia and NE US. We develop an age-of-emission metric and show values in BORTAS-B are consistent with a slowing of photochemistry in plumes. Indirect evidence suggests this slowing is due to aerosols within the plumes.
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