Articles | Volume 21, issue 17
Atmos. Chem. Phys., 21, 13609–13630, 2021
https://doi.org/10.5194/acp-21-13609-2021
Atmos. Chem. Phys., 21, 13609–13630, 2021
https://doi.org/10.5194/acp-21-13609-2021

Research article 13 Sep 2021

Research article | 13 Sep 2021

In situ ozone production is highly sensitive to volatile organic compounds in Delhi, India

Beth S. Nelson et al.

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(APHH India) Megacity Delhi atmospheric emission quantification, assessment and impacts (DelhiFlux) Beth S. Nelson, Gareth J. Stewart, Will S. Drysdale, Adam R. Vaughan, Rachel E. Dunmore, Jacqueline F. Hamilton, W. Joe Acton, Leigh R. Crilley, Mohammed S. Alam, Lisa K. Whalley, Ben Langford, Eiko Nemitz, James R. Hopkins https://catalogue.ceda.ac.uk/uuid/ba27c1c6a03b450e9269f668566658ec

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Short summary
Ozone production at an urban site in Delhi is sensitive to volatile organic compound (VOC) concentrations, particularly those of the aromatic, monoterpene, and alkene VOC classes. The change in ozone production by varying atmospheric pollutants according to their sources, as defined in an emissions inventory, is investigated. The study suggests that reducing road transport emissions alone does not reduce reactive VOCs in the atmosphere enough to perturb an increase in ozone production.
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