Articles | Volume 18, issue 17
https://doi.org/10.5194/acp-18-12765-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-18-12765-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Understanding nitrate formation in a world with less sulfate
Petros Vasilakos
School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
Armistead Russell
School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
Rodney Weber
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
Athanasios Nenes
CORRESPONDING AUTHOR
School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
Institute of Chemical Engineering Sciences, Foundation for Research and Technology-Hellas, Patras, 26504, Greece
Institute for Environmental Research and Sustainable Development, National Observatory of Athens, Palea Penteli, 15236, Greece
currently at: School of Architecture, Civil & Environmental Engineering, École polytechnique fédérale de Lausanne, 1015 Lausanne, Switzerland
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Latest update: 14 Dec 2024
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.
In this work, we investigated the role of emission reductions on aerosol acidity and particulate...
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