Articles | Volume 22, issue 18
Atmos. Chem. Phys., 22, 12629–12646, 2022
https://doi.org/10.5194/acp-22-12629-2022
Atmos. Chem. Phys., 22, 12629–12646, 2022
https://doi.org/10.5194/acp-22-12629-2022
Research article
28 Sep 2022
Research article | 28 Sep 2022

Seasonal modeling analysis of nitrate formation pathways in Yangtze River Delta region, China

Jinjin Sun et al.

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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-2022-426', Anonymous Referee #1, 29 Jul 2022
    • AC1: 'Reply on RC1', J. Hu, 30 Aug 2022
  • RC2: 'Comment on acp-2022-426', Anonymous Referee #2, 17 Aug 2022
    • AC2: 'Reply on RC2', J. Hu, 30 Aug 2022
  • RC3: 'Comment on acp-2022-426', Anonymous Referee #3, 25 Aug 2022
    • AC3: 'Reply on RC3', J. Hu, 30 Aug 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by J. Hu on behalf of the Authors (30 Aug 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (02 Sep 2022) by Dantong Liu
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Short summary
NO3- has become the dominant and the least reduced chemical component of fine particulate matter in China. NO3- formation is mostly in the NH3-rich regime in the Yangtze River Delta (YRD). OH + NO2 contributes 60 %–83 % of the TNO3 production rates, and the N2O5 heterogeneous pathway contributes 10 %–36 %. The N2O5 heterogeneous pathway becomes more important in cold seasons. Local emissions and regional transportation contribute 50 %–62 % and 38 %–50 % to YRD NO3- concentrations, respectively.
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