Articles | Volume 16, issue 15
https://doi.org/10.5194/acp-16-9579-2016
© Author(s) 2016. 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-16-9579-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Hydroxyl radical in/on illuminated polar snow: formation rates, lifetimes, and steady-state concentrations
Zeyuan Chen
Department of Land, Air, and Water Resources, University of California, Davis, CA 95616, USA
Liang Chu
Department of Land, Air, and Water Resources, University of California, Davis, CA 95616, USA
Edward S. Galbavy
Department of Land, Air, and Water Resources, University of California, Davis, CA 95616, USA
now at: NOVA Engineering and Environmental, Panama City Beach, FL 32408, USA
Keren Ram
Department of Land, Air, and Water Resources, University of California, Davis, CA 95616, USA
Department of Land, Air, and Water Resources, University of California, Davis, CA 95616, USA
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Cited
11 citations as recorded by crossref.
- Quantum Yield of Nitrite from the Photolysis of Aqueous Nitrate above 300 nm K. Benedict et al. 10.1021/acs.est.6b06370
- New insights into the environmental photochemistry of hydroxynaphthalene congeners in water and in ice: A distinct comparative study L. Ge et al. 10.1016/j.jhazmat.2025.138310
- Phototransformation of Vanillin in Artificial Snow by Direct Photolysis and Mediated by Nitrite L. Carena et al. 10.1021/acs.est.3c01931
- Spectroscopic studies of the role of dissolved organic matter in acenaphthene photodegradation in liquid water and ice S. Xue et al. 10.1016/j.envpol.2024.123805
- Insights into photodegradation of antibiotics in aquatic environment considering effects of dissolved organic matter and halide ions C. Zong et al. 10.1007/s12665-025-12283-4
- Concentrations of a triplet excited state are enhanced in illuminated ice Z. Chen & C. Anastasio 10.1039/C6EM00534A
- Photodecay of guaiacol is faster in ice, and even more rapid on ice, than in aqueous solution T. Hullar et al. 10.1039/D0EM00242A
- Light absorption and the photoformation of hydroxyl radical and singlet oxygen in fog waters R. Kaur & C. Anastasio 10.1016/j.atmosenv.2017.06.006
- Effect of dissolved organic matter on sulfachloropyridazine photolysis in liquid water and ice J. Liu et al. 10.1016/j.watres.2023.120714
- Aqueous ·OH Oxidation of Highly Substituted Phenols as a Source of Secondary Organic Aerosol S. Arciva et al. 10.1021/acs.est.2c02225
- Characterization of reactive photoinduced species in rainwater J. Hong et al. 10.1007/s11356-018-3499-4
11 citations as recorded by crossref.
- Quantum Yield of Nitrite from the Photolysis of Aqueous Nitrate above 300 nm K. Benedict et al. 10.1021/acs.est.6b06370
- New insights into the environmental photochemistry of hydroxynaphthalene congeners in water and in ice: A distinct comparative study L. Ge et al. 10.1016/j.jhazmat.2025.138310
- Phototransformation of Vanillin in Artificial Snow by Direct Photolysis and Mediated by Nitrite L. Carena et al. 10.1021/acs.est.3c01931
- Spectroscopic studies of the role of dissolved organic matter in acenaphthene photodegradation in liquid water and ice S. Xue et al. 10.1016/j.envpol.2024.123805
- Insights into photodegradation of antibiotics in aquatic environment considering effects of dissolved organic matter and halide ions C. Zong et al. 10.1007/s12665-025-12283-4
- Concentrations of a triplet excited state are enhanced in illuminated ice Z. Chen & C. Anastasio 10.1039/C6EM00534A
- Photodecay of guaiacol is faster in ice, and even more rapid on ice, than in aqueous solution T. Hullar et al. 10.1039/D0EM00242A
- Light absorption and the photoformation of hydroxyl radical and singlet oxygen in fog waters R. Kaur & C. Anastasio 10.1016/j.atmosenv.2017.06.006
- Effect of dissolved organic matter on sulfachloropyridazine photolysis in liquid water and ice J. Liu et al. 10.1016/j.watres.2023.120714
- Aqueous ·OH Oxidation of Highly Substituted Phenols as a Source of Secondary Organic Aerosol S. Arciva et al. 10.1021/acs.est.2c02225
- Characterization of reactive photoinduced species in rainwater J. Hong et al. 10.1007/s11356-018-3499-4
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Latest update: 31 May 2025
Short summary
We made the first measurements of the concentrations of hydroxyl radical (•OH), a dominant environmental oxidant, in snow grains. Concentrations of •OH in snow at Summit, Greenland, are comparable to values reported for midlatitude cloud and fog drops, even though impurity levels in the snow are much lower. At these concentrations, the lifetimes of organics and bromide in Summit snow are approximately 3 days and 7 h, respectively, suggesting that OH is a major oxidant for both species.
We made the first measurements of the concentrations of hydroxyl radical (•OH), a dominant...
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