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The reactions of ozone with alkenes: An important source of HOx in the boundary layer
Abstract
The reactions of ozone with alkenes have been shown recently to lead to the direct production of OH radicals. Organic peroxy radicals (RO 2) probably accompany the production of OH. In this paper, we draw attention to the potential importance of these reactions in the primary production of HO x (HO x = OH, HO 2 and RO 2) radicals in various regions of the boundary layer. The reactions of ozone with anthropogenic alkenes are shown to be the most important source of HO x in many urban settings during the day and evening, and a significant source at night. The majority of HO x comes from trace quantities of alkenes with internal double bonds. Reaction of O 3 with isoprene and terpenes can be an important source of HO x in forested regions; we show that these reactions are the dominant radical source in the late afternoon and into the night. This additional HO x source is expected to increase predicted OH concentrations compared to those calculated by models that do not include the O 3‐alkene source.
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Citations
Cited by
Nighttime radical observations and chemistry
Brown, S. S., & Stutz, J. (2012) · Chemical Society Reviews · doi:10.1039/c2cs35181a · Cited by 637
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Johnson, D., & Marston, G. (2008) · Chemical Society Reviews · doi:10.1039/b704260b · Cited by 608
High winter ozone pollution from carbonyl photolysis in an oil and gas basin
Edwards, P. M., Brown, S. S., Roberts, J. M., Ahmadov, R., Banta, R. M., deGouw, J. A., Dubé, W. P., Field, R. A., Flynn, J. H., Gilman, J. B., et al. (2014) · Nature · doi:10.1038/nature13767 · Cited by 404
Tropospheric Ozone Assessment Report
Archibald, A. T., Neu, J. L., Elshorbany, Y. F., Cooper, O. R., Young, P. J., Akiyoshi, H., Cox, R. A., Coyle, M., Derwent, R. G., Deushi, M., et al. (2020) · Elementa: Science of the Anthropocene · doi:10.1525/elementa.2020.034 · Cited by 239
Metadata
- Authors
- Paulson, S. E., & Orlando, J. J.
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 1996-12-15
- Volume
- 23
- Issue
- 25
- Pages
- 3727-3730
- ISSN
- 0094-8276 (ISSN-L)
- 1944-8007
- OpenAlex
- W2046901677
- Cited by
- 314
- References
- 0
- FWCI
- 7.77
- Type
- journal article
- Language
- en
- Open access
- closed
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- Paulson, S. E., & Orlando, J. J. (1996). The reactions of ozone with alkenes: An important source of HOx in the boundary layer. Geophysical Research Letters. https://doi.org/10.1029/96gl03477
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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