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Optics Express|July 1, 2014
Performance of a high-resolution mid-IR optical-parametric-oscillator transient absorption spectrometerGeraldine O Echebiri, Matthew D Smarte, Wendell W Walters, et al.
ACS ES&T Air|June 17, 2024
Modeling the Oxygen Isotope Anomaly (Δ17O) of Reactive Nitrogen in the Community Multiscale Air Quality Model: Insights into Nitrogen Oxide Chemistry in the Northeastern United StatesWendell W Walters, Havala O T Pye, Heejeong Kim, et al.
Environmental Science & Technology|September 3, 2015
Nitrogen Isotope Composition of Thermally Produced NOx from Various Fossil-Fuel Combustion SourcesWendell W Walters, Bruce D Tharp, Huan Fang, et al.
Environmental Science & Technology|December 31, 2024
Enhanced Nonagricultural Emissions of Ammonia Influence Aerosol Ammonium in an Urban Atmosphere: Evidence from Kinetic Versus Equilibrium Isotope Fractionation Controls on NitrogenMengna Gu, Yang Zeng, Wendell W Walters, et al.
The Science of the Total Environment|May 14, 2022
Is fertilization the dominant source of ammonia in the urban atmosphere?Mengna Gu, Yuepeng Pan, Qian Sun, et al.
The Science of the Total Environment|November 15, 2024
First direct measurements of the nitrogen isotopic composition of vehicle tailpipe-emitted NH3 and implications for the source apportionment of NH3 in urban atmosphereYu-Ning Feng, Yunhua Chang, Lin Cheng, et al.
Environmental Science & Technology|June 9, 2026
Isotopic Evidence for Changes in U.S. Energy Fuels and Impact on Particulate NitrateHeejeong Kim, Wendell W Walters, Havala O T Pye, et al.
Environmental Science & Technology|January 30, 2026
Detailing Atmospheric Nitrate Chemistry in the Northeastern US Under a Period of Changes in EmissionsHeejeong Kim, Wendell W Walters, Havala O T Pye, et al.
Environmental Science & Technology|January 20, 2022
Vehicular Emissions Enhanced Ammonia Concentrations in Winter Mornings: Insights from Diurnal Nitrogen Isotopic SignaturesMengna Gu, Yuepeng Pan, Wendell W Walters, et al.
Scientific Reports|November 20, 2024
Nitrogen isotopes reveal high NOx emissions from arid agricultural soils in the Salton Sea Air BasinHeather C Lieb, Matthew Maldonado, Edgar Ruiz, et al.
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