Articles | Volume 14, issue 5
https://doi.org/10.5194/amt-14-3707-2021
https://doi.org/10.5194/amt-14-3707-2021
Research article
 | 
21 May 2021
Research article |  | 21 May 2021

Modeled source apportionment of black carbon particles coated with a light-scattering shell

Aki Virkkula

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Aki Virkkula on behalf of the Authors (20 Mar 2021)  Author's response   Author's tracked changes   Manuscript 
ED: Publish as is (06 Apr 2021) by Linlu Mei
AR by Aki Virkkula on behalf of the Authors (12 Apr 2021)
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Short summary
The Aethalometer model is used widely for estimating the contributions of fossil fuel emissions and biomass burning to black carbon. The calculation is based on measured absorption Ångström exponents, which is ambiguous since it not only depends on the dominant absorber but also on the size and internal structure of the particles, core size, and shell thickness. The uncertainties of the fractions of absorption by eBC from fossil fuel and biomass burning are evaluated with a core–shell Mie model.