Articles | Volume 22, issue 20
https://doi.org/10.5194/acp-22-13431-2022
https://doi.org/10.5194/acp-22-13431-2022
Research article
 | 
18 Oct 2022
Research article |  | 18 Oct 2022

Quantifying the importance of vehicle ammonia emissions in an urban area of northeastern USA utilizing nitrogen isotopes

Wendell W. Walters, Madeline Karod, Emma Willcocks, Bok H. Baek, Danielle E. Blum, and Meredith G. Hastings

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on acp-2022-419', Anonymous Referee #1, 31 Jul 2022
  • RC2: 'Comment on acp-2022-419', Anonymous Referee #2, 18 Aug 2022
  • AC1: 'Comment on acp-2022-419', Wendell Walters, 05 Sep 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
AR by Wendell Walters on behalf of the Authors (05 Sep 2022)  Author's response   Author's tracked changes   Manuscript 
ED: Publish subject to technical corrections (30 Sep 2022) by Drew Gentner
AR by Wendell Walters on behalf of the Authors (05 Oct 2022)  Author's response   Manuscript 
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Short summary
Atmospheric ammonia and its products are a significant source of urban haze and nitrogen deposition. We have investigated the seasonal source contributions to a mid-sized city in the northeastern US megalopolis utilizing geospatial statistical analysis and novel isotopic constraints, which indicate that vehicle emissions were significant components of the urban-reduced nitrogen budget. Reducing vehicle ammonia emissions should be considered to improve ecosystems and human health.
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