Aerosols have significant effects on air pollution, climate, visibility and human health.
We are using a multifilter rotating shadowband radiometer to monitor the long-term variability of aerosols in Sydney. Aerosol optical, chemical and physical properties. The optical properties of aerosols are very important for predicting their effects on climate and visibility. They depend on physical properties such as size distribution, chemical composition, and environmental factors such as relative humidity. We are currently developing models to predict aerosol optical properties from physical and chemical properties, and testing these against data from a number of Australian cities.