Journal article

Unexpectedly high ultrafine aerosol concentrations above East Antarctic sea-ice

RS Humphries, AR Klekociuk, R Schofield, M Keywood, J Ward, SR Wilson

Atmospheric Chemistry and Physics Discussions | Copernicus GmbH


Abstract. The effect of aerosols on clouds and their radiative properties is one of the largest uncertainties in our understanding of radiative forcing. A recent study has concluded that better characterisation of pristine, natural aerosol processes leads to the largest reduction in these uncertainties. Antarctica, being far from anthropogenic activities, is an ideal location for the study of natural aerosol processes. Aerosol measurements in Antarctica are often limited to boundary layer air-masses at spatially sparse coastal and continental research stations, with only a handful of studies in the sea ice region. In this paper, the first observational study of sub-micron aerosols in the Eas..

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University of Melbourne Researchers