Articles | Volume 22, issue 21
https://doi.org/10.5194/acp-22-14253-2022
https://doi.org/10.5194/acp-22-14253-2022
Research article
 | 
08 Nov 2022
Research article |  | 08 Nov 2022

Transport patterns of global aviation NOx and their short-term O3 radiative forcing – a machine learning approach

Jin Maruhashi, Volker Grewe, Christine Frömming, Patrick Jöckel, and Irene C. Dedoussi

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Cited articles

Avila, D., Sherry, L., and Thompson, T.: Reducing global warming by airline contrail avoidance: A case study of annual benefits for the contiguous United States, Transp. Res. Interdiscip. Perspect., 2, 100033, https://doi.org/10.1016/j.trip.2019.100033, 2019. 
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Basora, L., Morio, J., and Mailhot, C.: A Trajectory Clustering Framework to Analyse Air Traffic Flows, in: Proceedings of the 7th SESAR Innovation Days, Belgrade, Serbia, 28–30 November 2017, SESAR Joint Undertaking, https://www.sesarju.eu/sites/default/files/documents/sid/2017/SIDs_2017_paper_45.pdf (last access: 29 October 2022), 2017. 
Boeing: Commercial Market Outlook 2020–2039, https://www.boeing.com/commercial/market/commercial-market-outlook/ (last access: 22 February 2021), 2020. 
Brasseur, G., Cox, R., Hauglustaine, D., Isaksen, I., Lelieveld, J., Lister, D. H., Sausen, R., Schumann, U., Wahner, A., and Wiesen, P.: European scientific assessment of the atmospheric effects of aircraft emissions, Atmos. Environ., 32, 2329–2418. https://doi.org/10.1016/S1352-2310(97)00486-X, 1998. 
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Short summary
Aviation NOx emissions lead to the formation of ozone in the atmosphere in the short term, which has a climate warming effect. This study uses global-scale simulations to characterize the transport patterns between NOx emissions at an altitude of ~ 10.4 km and the resulting ozone. Results show a strong spatial and temporal dependence of NOx in disturbing atmospheric O3 concentrations, with the location that is most impacted in terms of warming not necessarily coinciding with the emission region.
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