Articles | Volume 15, issue 11
https://doi.org/10.5194/acp-15-6087-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-15-6087-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Photochemical processing of aqueous atmospheric brown carbon
Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, Canada
A. K. Y. Lee
Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, Canada
Climate Research Division/Atmospheric Science and Technology Directorate/Science and Technology Branch, Environment Canada, Toronto, Canada
X. Li
School of Chemistry and Environment, Beihang University, Beijing, China
F. Yang
Chongqing Institute of Green and Intelligent Technology, Chongqing, China
Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, Canada
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Short summary
Aqueous-phase photochemical decay of light absorbing organic compounds, or atmospheric brown carbon (BrC), is investigated in this study. The absorptive change of laboratory surrogates of BrC, as well as biofuel combustion samples, were monitored during photolysis and OH oxidation experiments. The major finding is the rapid change in the absorptivity of BrC during such photochemical processing. This change should be taken into account to evaluate the importance of BrC in the atmosphere.
Aqueous-phase photochemical decay of light absorbing organic compounds, or atmospheric brown...
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