Member Since 1998
Becky Alexander
Professor, University of Washington Seattle
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Particulate Nitrate Photolysis as a Possible Driver of Rising Tropospheric Ozone
GEOPHYSICAL RESEARCH LETTERS
08 march 2024
Viral Shah, Christoph A. Keller, K. Emma Knowland,...
Tropospheric ozone is an air pollutant and a greenhouse gas whose anthropogenic production is limited principally by the supply of nitrogen oxides ...
Anthropogenic Influence on Tropospheric Reactive Bromine Since the Pre‐industrial: Implications for Arctic Ice‐Core Bromine Trends
GEOPHYSICAL RESEARCH LETTERS
27 february 2024
Shuting Zhai, Becky Alexander, Joseph R. McConnell...
Tropospheric reactive bromine (Bry) influences the oxidation capacity of the atmosphere by acting as a sink for ozone and nitrogen oxides. Aerosol ...
Impacts of Global Snowpack-induced NOx Emissions on Atmospheric Chemistry and Air Quality
SEASONAL ARCTIC AND WINTERTIME ATMOSPHERIC COMPOSITION AND CHEMISTRY II POSTER
atmospheric sciences | 15 december 2023
Debatosh Partha, Haipeng Lin, Becky Alexander, YAO...
Nitrogen oxides (NOx ≡ NO + NO2) play an important role in ozone (O3) formation in the ambient atmosphere, with direct emissions from both natural and...
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Photoformation of Hydrogen Peroxide by Water- and Methanol-Soluble Chromophores in Ambient Particles: Implications for Sulfate Formation
SEASONAL ARCTIC AND WINTERTIME ATMOSPHERIC COMPOSITION AND CHEMISTRY II POSTER
atmospheric sciences | 15 december 2023
Michael Sunday, Laura Heinlein, Junwei He, Sukriti...
The high sulfate (S(VI)) levels in wintertime particulate matter in Fairbanks, Alaska, is a subject of keen research interest. Hydrogen peroxide (HOOH...
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Chemical Composition, Morphology, and Sources of Individual Atmospheric Particles in the Urban Alaskan Winter
SEASONAL ARCTIC AND WINTERTIME ATMOSPHERIC COMPOSITION AND CHEMISTRY II POSTER
atmospheric sciences | 15 december 2023
Emily Costa, Jessica Mirrielees, Monica Mashkevich...
Wintertime urban air pollution is a severe yet often overlooked problem. There are few air quality measurements under low temperature conditions despi...
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Size-Resolved and Seasonal Aerosol Observations in the Marine Boundary Layer in Bermuda
CHEMISTRY IN THE MARINE ATMOSPHERE II POSTER
atmospheric sciences | 14 december 2023
Allison Moon, Ling Tsiang, Alyssa Tou, Phil Rund, ...
Halogen species (chlorine, bromine, and iodine-containing compounds) influence the oxidizing capacity of the atmosphere and serve as some of the most ...
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Global simulation of tropospheric halogen multiphase chemistry
CHEMISTRY IN THE MARINE ATMOSPHERE I ORAL
atmospheric sciences | 14 december 2023
Hansen Cao, Mathew J. Evans, Becky Alexander
We update here the halogen heterogeneous chemistry on sea salt aerosols in the GEOS-Chem model. We incorporate new reactions converting di-halogens (B...
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Model-ice core comparison of changes to DMS oxidation chemistry over the industrial era
CHEMISTRY IN THE MARINE ATMOSPHERE II POSTER
atmospheric sciences | 14 december 2023
Ursula A. Jongebloed, Linia Tashmim, William C. Po...
Dimethyl sulfide (DMS) emissions from marine phytoplankton are a major natural source of atmospheric sulfur. DMS is oxidized in the atmosphere to meth...
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