Articles | Volume 18, issue 8
https://doi.org/10.5194/acp-18-5567-2018
https://doi.org/10.5194/acp-18-5567-2018
Research article
 | 
24 Apr 2018
Research article |  | 24 Apr 2018

Revisiting the contribution of land transport and shipping emissions to tropospheric ozone

Mariano Mertens, Volker Grewe, Vanessa S. Rieger, and Patrick Jöckel

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Subject: Gases | Research Activity: Atmospheric Modelling and Data Analysis | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

Butler, T., Lawrence, M., Taraborrelli, D., and Lelieveld, J.: Multi-day ozone production potential of volatile organic compounds calculated with a tagging approach, Atmos. Environ., 45, 4082–4090, https://doi.org/10.1016/j.atmosenv.2011.03.040, 2011.
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Clappier, A., Belis, C. A., Pernigotti, D., and Thunis, P.: Source apportionment and sensitivity analysis: two methodologies with two different purposes, Geosci. Model Dev., 10, 4245–4256, https://doi.org/10.5194/gmd-10-4245-2017, 2017.
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Dahlmann, K., Grewe, V., Ponater, M., and Matthes, S.: Quantifying the contributions of individual NOx sources to the trend in ozone radiative forcing, Atmos. Environ., 45, 2860–2868, https://doi.org/10.1016/j.atmosenv.2011.02.071, 2011.
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Short summary
We quantified the contribution of land transport and shipping emissions to tropospheric ozone using a global chemistry–climate model. Our results indicate a contribution to ground-level ozone from land transport emissions of up to 18 % in North America and Southern Europe as well as a contribution from shipping emissions of up to 30 % in the Pacific. Our estimates of the radiative ozone forcing due to land transport and shipping emissions are 92 mW m−2 and 62 mW m−2, respectively.
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