Identifying NOx Sources in Arequipa, Peru Using Nitrogen Isotopes in Particulate Nitrate

Identifying NOx Sources in Arequipa, Peru Using Nitrogen Isotopes in Particulate Nitrate

We reported on the first time series of δ15N in aerosol nitrate from South America. Particulate matter less than 2.5 microns in diameter (PM2.5) was collected at four sites located in Arequipa, a major city in southern Peru. The δ 15N values for nitrate in PM2.5 ranged from -1.7–15.9‰ and averaged 5...

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Bibliographic Details
Main Authors: Greg Michalski, Adriana E. Larrea Valdivia, Elizabeth Olson, Lisa Welp, Huan Fang, Kento Magara-Gomez, Lino Morales Paredes, Juan Reyes Larico, Jianghanyang Li
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-06-01
Series:Frontiers in Environmental Science
Subjects:
isotope N 15
aerosol
Peru
NOx—oxdies of nitrogen
air quality (AirQ)
Online Access:https://www.frontiersin.org/articles/10.3389/fenvs.2022.916738/full

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