Articles | Volume 20, issue 5
Atmos. Chem. Phys., 20, 3091–3105, 2020
https://doi.org/10.5194/acp-20-3091-2020

Special issue: The Modular Earth Submodel System (MESSy) (ACP/GMD inter-journal...

Atmos. Chem. Phys., 20, 3091–3105, 2020
https://doi.org/10.5194/acp-20-3091-2020

Research article 16 Mar 2020

Research article | 16 Mar 2020

Kinetics of the OH + NO2 reaction: effect of water vapour and new parameterization for global modelling

Damien Amedro et al.

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Latest update: 23 Oct 2021
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Short summary
Our laboratory experiments show that the rate coefficient for the termolecular reaction between OH and NO2 is enhanced in the presence of water vapour. Using a chemistry transport model we show that our new parameterization of the temperature, pressure, and bath-gas dependence of this reaction has a significant impact on, for example, NOx and the HNO2 / NO2 ratio when compared to present recommendations.
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