Understanding natural and anthropogenic climate and environmental change, particularly from the perspective of atmospheric composition and chemistry.
My primary research interest is in reconstructing atmospheric histories of Carbon Monoxide from ice cores. Carbon Monoxide is an important atmospheric trace gas that affects the oxidative capacity of the atmosphere and contributes indirectly to anthropogenic radiative forcing. Carbon monoxide stable isotopes can also serve as a tracer for variations in biomass burning, particularly in the preindustrial atmosphere. A good understanding of the past variations in CO mole fractions and isotopic composition can help improve the skill of chemical transport models and constrain biomass burning changes.
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Undergraduate Research Assistant