Articles | Volume 21, issue 7
https://doi.org/10.5194/acp-21-5635-2021
https://doi.org/10.5194/acp-21-5635-2021
Research article
 | 
14 Apr 2021
Research article |  | 14 Apr 2021

Where there is smoke there is mercury: Assessing boreal forest fire mercury emissions using aircraft and highlighting uncertainties associated with upscaling emissions estimates

David S. McLagan, Geoff W. Stupple, Andrea Darlington, Katherine Hayden, and Alexandra Steffen

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Latest update: 23 Feb 2024
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Short summary
An assessment of mercury emissions from a burning boreal forest was made by flying an aircraft through its plume to collect in situ gas and particulate measurements. Direct data show that in-plume gaseous elemental mercury concentrations reach up to 2.4× background for this fire and up to 5.6× when using a correlation with CO data. These unique data are applied to a series of known empirical emissions estimates and used to highlight current uncertainties in the literature.
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