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Low and high NOx tropospheric photochemistry
Abstract
Emission inputs to the troposphere are processed in two fundamentally different ways, leading to two atmospheric states with greatly different properties. We define these states in terms of rates of NOx emissions and radical production. In the low NOx state, trace gas inputs to the atmosphere are removed primarily by oxidation reactions. In the high NOx state the oxidative potential of the atmosphere is greatly diminished and primary pollutants build up, as alternate removal processes are slow. We show here that this dual behavior is due to a titrationlike reaction between NOx and free radicals in which either reactant can be in excess.
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Cited by
Anthropogenic drivers of 2013–2017 trends in summer surface ozone in China
Li, K., Jacob, D. J., Liao, H., Shen, L., Zhang, Q., & Bates, K. H. (2019) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1812168116 · Cited by 1,804
Three‐dimensional climatological distribution of tropospheric OH: Update and evaluation
Spivakovsky, C. M., Logan, J. A., Montzka, S. A., Balkanski, Y. J., Foreman‐Fowler, M., Jones, D. B. A., Horowitz, L. W., Fusco, A. C., Brenninkmeijer, C. A. M., Prather, M. J., et al. (2000) · Journal of Geophysical Research: Atmospheres · doi:10.1029/1999jd901006 · Cited by 910
A two-pollutant strategy for improving ozone and particulate air quality in China
Li, K., Jacob, D. J., Liao, H., Zhu, J., Shah, V., Shen, L., Bates, K. H., Zhang, Q., & Zhai, S. (2019) · Nature Geoscience · doi:10.1038/s41561-019-0464-x · Cited by 874
Duncan, B. N., Yoshida, Y., Olson, J. R., Sillman, S., Martin, R. V., Lamsal, L., Hu, Y., Pickering, K. E., Retscher, C., Allen, D. J., et al. (2010) · Atmospheric Environment · doi:10.1016/j.atmosenv.2010.03.010 · Cited by 507
Jin, X., & Holloway, T. (2015) · Journal of Geophysical Research: Atmospheres · doi:10.1002/2015jd023250 · Cited by 451
Metadata
- Venue
- Journal of Geophysical Research: Atmospheres
- Publisher
- American Geophysical Union (AGU)
- Published
- 1994-08-20
- Volume
- 99
- Issue
- D8
- Pages
- 16831-16838
- ISSN
- 0148-0227 (ISSN-L)
- OpenAlex
- W1662321169
- Cited by
- 228
- References
- 0
- FWCI
- 2.93
- Type
- journal article
- Language
- en
- Open access
- closed
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- Low and high NOx tropospheric photochemistry. (1994). Journal of Geophysical Research: Atmospheres. https://doi.org/10.1029/94jd01028
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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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