Journal article

Impact of modelled particle characteristics on emissions inferred by inversion of tracer transport

SM Burrows, PJ Rayner, T Butler, MG Lawrence

Atmospheric Chemistry and Physics Discussions | Copernicus GmbH


Abstract. Model-simulated transport of atmospheric trace components can be combined with observed concentrations to obtain estimates of ground-based sources using various inversion techniques. These approaches have been applied in the past primarily to obtain source estimates for long-lived trace gases such as CO2. We consider the application of similar techniques to source estimation for atmospheric aerosols, using as a case study the estimation of bacteria emissions from different ecosystem regions in the global atmospheric chemistry and climate model ECHAM5/MESSy-Atmospheric Chemistry (EMAC). Source estimation via Monte Carlo Markov Chain is applied to a suite of sensitivity simulations ..

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University of Melbourne Researchers