Articles | Volume 21, issue 4
Atmos. Chem. Phys., 21, 2329–2341, 2021
https://doi.org/10.5194/acp-21-2329-2021
Atmos. Chem. Phys., 21, 2329–2341, 2021
https://doi.org/10.5194/acp-21-2329-2021

Research article 17 Feb 2021

Research article | 17 Feb 2021

Brown carbon's emission factors and optical characteristics in household biomass burning: developing a novel algorithm for estimating the contribution of brown carbon

Jianzhong Sun et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Jianzhong Sun on behalf of the Authors (12 Nov 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (17 Nov 2020) by Sergey A. Nizkorodov
RR by Anonymous Referee #2 (28 Nov 2020)
RR by Anonymous Referee #1 (03 Dec 2020)
ED: Publish subject to minor revisions (review by editor) (05 Dec 2020) by Sergey A. Nizkorodov
AR by Jianzhong Sun on behalf of the Authors (20 Dec 2020)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (22 Dec 2020) by Sergey A. Nizkorodov
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Short summary
Brown carbon (BrC) emission factors from household biomass fuels were measured with an integrating sphere optics approach supported by iterative calculations. A novel algorithm to directly estimate the absorption contribution of BrC relative to that of BrC + black carbon (FBrC) was proposed based purely on the absorption exponent (AAE) (FBrC = 0.5519 lnAAE + 0.0067). The FBrC for household biomass fuels was as high as 50.8 % across the strongest solar spectral range of 350−850 nm.
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