P. B. Shepson

P. B. Shepson's research focuses on atmospheric chemistry, particularly the composition and behavior of gases like ozone, bromine compounds, nitrogen oxides, methane, and carbon dioxide in the atmosphere, including in Arctic and urban environments. Work includes field measurements from aircraft and ground stations, oil and gas emissions monitoring, and modeling of atmospheric processes such as seasonal ozone variation and halogen chemistry in polar regions. This research contributes to understanding greenhouse gas budgets, air quality, and atmospheric pollution sources.

Publication output has declined substantially over the last decade, from around 40 papers per year in 2017 to roughly 6-9 per year in recent years, suggesting a slowing pace of research activity.

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