Articles | Volume 16, issue 8
https://doi.org/10.5194/gmd-16-2303-2023
https://doi.org/10.5194/gmd-16-2303-2023
Development and technical paper
 | 
28 Apr 2023
Development and technical paper |  | 28 Apr 2023

Comparison of ozone formation attribution techniques in the northeastern United States

Qian Shu, Sergey L. Napelenok, William T. Hutzell, Kirk R. Baker, Barron H. Henderson, Benjamin N. Murphy, and Christian Hogrefe

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Short summary
Source attribution methods are generally used to determine culpability of precursor emission sources to ambient pollutant concentrations. However, source attribution of secondarily formed pollutants such as ozone and its precursors cannot be explicitly measured, making evaluation of source apportionment methods challenging. In this study, multiple apportionment approach comparisons show common features but still reveal wide variations in predicted sector contribution and species dependency.
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