Articles | Volume 18, issue 17
https://doi.org/10.5194/acp-18-12765-2018
https://doi.org/10.5194/acp-18-12765-2018
Research article
 | 
05 Sep 2018
Research article |  | 05 Sep 2018

Understanding nitrate formation in a world with less sulfate

Petros Vasilakos, Armistead Russell, Rodney Weber, and Athanasios Nenes

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Petros Vasilakos on behalf of the Authors (04 Jul 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (06 Jul 2018) by Veli-Matti Kerminen
RR by Anonymous Referee #1 (16 Jul 2018)
ED: Publish subject to technical corrections (20 Jul 2018) by Veli-Matti Kerminen
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Short summary
In this work, we investigated the role of emission reductions on aerosol acidity and particulate nitrate. We found that models exhibit positive biases in pH predictions, attributed to very high levels of crustal elements (Mg, Ca, K) in model simulations, which in turn led to an increasing aerosol pH trend over the past decade and allowed nitrate to become an important component of aerosol, which is inconsistent with the measurements, highlighting the importance of accurate pH prediction.
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