Centre for Atmospheric ChemistryThe central role of atmospheric chemistry in all aspects of global climate change is undisputed. The Centre for Atmospheric Chemistry investigates atmospheric composition at local through to global scales. We are working in the following key areas: Solar Infrared spectroscopy using high resolution FTIR spectrometers in Wollongong and Darwin. From these infrared spectra total column amounts of a very wide range of trace gas species are derived. We are active participants in a number of national and international networks, including the ARC Network for Earth Systems Science, the Network for Detection of Atmospheric Composition Change (NDACC) and the Total Column Carbon Observing Network (TCCON) Field-based measurements of trace gas concentrations and fluxes using FTIR particularly in agriculture using open path FTIR measurements. And at sites including the Ozflux site at Tumbarumba (NSW) and the caves at Jenolan, NSW. Stable isotope ratios in atmospheric trace gases measured by FTIR Solar radiation (UV and visible), which provides much of the energy necessary for changes in atmospheric chemistry. This is tied to research at the Cape Grim Baseline Air Pollution Station. Atmospheric Chemical Transport Modelling. Modeling the transport and reaction in the atmosphere. Below is a photo (Courtesy Prof. John Burrows), taken at the ARCNESS Winter School “Atmospheric composition observation and modelLing” at the University of Wollongong, 13 - 17 August 2007. 
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