Key Research Interests and Expertise

My principal interests are in the occurrence, origins and chemical transformations of trace gases in the atmosphere; notably those that are important to stratospheric ozone depletion, global warming, and are components of regional and long-range air pollution. I am involved in projects making atmospheric measurements across the globe from the Polar Regions to the tropics, and from the surface to the stratosphere. I am interested in historic trends in trace gases as deduced from air trapped in deep polar snow and ice cores. Other projects are investigating the origins of trace gases from the biosphere, including marine and terrestrial sources.

Publications: EPrints Digital Repository

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