HONO Emissions from Western U.S. Wildfires Provide Dominant Radical Source in Fresh Wildfire Smoke
Qiaoyun Peng, Brett B. Palm, Kira E. Melander, Ben H. Lee, Samuel R. Hall, Kirk Ullmann, T. Campos, A. J. Weinheimer, Eric C. Apel, Rebecca S. Hornbrook, Alan J. Hills, D. D. Montzka, F. Flocke, Lu Hu, Wade Permar, Catherine Wielgasz, Jakob Lindaas, I. B. Pollack, Emily V. Fischer, Timothy H. Bertram, Joel A. Thornton
Abstract
) in early stage (<3 h) wildfire plume evolution. These results highlight the role of HONO as a major component of reactive nitrogen emissions from wildfires and the main driver of initial photochemical oxidation.
Topics & Concepts
SmokeEnvironmental scienceEnvironmental chemistryMeteorologyAtmospheric sciencesChemistryGeographyGeologyAtmospheric chemistry and aerosolsAtmospheric and Environmental Gas DynamicsAir Quality and Health Impacts