Articles | Volume 23, issue 10
https://doi.org/10.5194/acp-23-5801-2023
https://doi.org/10.5194/acp-23-5801-2023
Research article
 | 
24 May 2023
Research article |  | 24 May 2023

Large simulated future changes in the nitrate radical under the CMIP6 SSP scenarios: implications for oxidation chemistry

Scott Archer-Nicholls, Rachel Allen, Nathan L. Abraham, Paul T. Griffiths, and Alex T. Archibald

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UKESM1 diagnostics for CMIP6 ScenarioMIP and CMIP historical experiments S. Archer-Nicholls, R. Allen, Y. Shin, N. L. Abraham, P. Griffiths, and A. Archibald https://doi.org/10.5285/b70e6ae10a9f463d88819eb981cd4d0f

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Short summary
The nitrate radical is a major oxidant at nighttime, but much less is known about it than about the other oxidants ozone and OH. We use Earth system model calculations to show how the nitrate radical has changed in abundance from 1850–2014 and to 2100 under a range of different climate and emission scenarios. Depending on the emissions and climate scenario, significant increases are projected with implications for the oxidation of volatile organic compounds and the formation of fine aerosol.
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