University of Cambridge > Talks.cam > Centre for Atmospheric Science seminars, Chemistry Dept. > Long-term trends in ozone concentrations in the UK: local, regional and global influences

Long-term trends in ozone concentrations in the UK: local, regional and global influences

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Ozone (O3) is an important transboundary air pollutant that, at elevated concentrations, has adverse impacts on human health and the natural environment. Its control has therefore been a major objective of international environmental policy for many decades. This presentation will make use of data from Defra’s automatic monitoring network to examine trends in O3 concentrations at UK sites since 1990, which will be used to illustrate the impacts of chemical processes occurring on local, regional and hemispheric scales. The data will be interpreted by consideration of historical trends in the emissions of the precursor nitrogen oxides (NOx) and volatile organic compounds (VOCs) and current understanding of their detailed chemical processing.

This talk is part of the Centre for Atmospheric Science seminars, Chemistry Dept. series.

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