Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 22, issue 9
Articles | Volume 22, issue 9
https://doi.org/10.5194/acp-22-5943-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-5943-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 9
Research article
 | 
05 May 2022
Research article |  | 05 May 2022

Enhanced photodegradation of dimethoxybenzene isomers in/on ice compared to in aqueous solution

Ted Hullar, Theo Tran, Zekun Chen, Fernanda Bononi, Oliver Palmer, Davide Donadio, and Cort Anastasio

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Short summary
Chemicals are commonly found in snowpacks throughout the world and may be degraded by sunlight; some previous research has reported faster decay rates for chemicals on the surface of snow and ice compared to in water. We found photodegradation on snow can be as much as 30 times faster than in solution for the three dimethoxybenzene isomers. Our computational modeling found light absorbance by dimethoxybenzenes increases on the snow surface, but this only partially explains the decay rate.
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