selected publications journal article Diverging Ozone Trends Above Western North America: Boundary Layer Decreases Versus Free Tropospheric Increases. Journal of Geophysical Research: Atmospheres. 2023 Arctic Tropospheric Ozone Trends 2023 Arctic tropospheric ozone: assessment of current knowledge and modelperformance. Atmospheric Chemistry and Physics. 637-661. 2023 Investigation of the Parameters Influencing Baseline Ozone in the Western United States: A Statistical Modeling Approach. Atmosphere. 2022 Updated trends of the stratospheric ozone vertical distribution in the 60 degrees S-60 degrees N latitude range based on the LOTUS regression model. Atmospheric Chemistry and Physics. 11657-11673. 2022 Comment on "Comparison of ozone measurement methods in biomass burning smoke: an evaluation under field and laboratory conditions" by Long et al. (2021). Atmospheric Measurement Techniques. 3189-3192. 2022 Updated trends of the stratospheric ozone vertical distribution in the 60° S–60° N latitude range based on the LOTUS regression model 2022 Comment on “Comparison of ozone measurement methods in biomass burning smoke: an evaluation under field and laboratory conditions” (Long et al. 2021) 2022