Effect of climate change on the future chemical composition of the atmosphere
Abstract
The scope of this thesis is to investigate the potential impact of future climate change on ozone and secondary inorganic particulate matter concentrations in Europe. To this aim a statistical model to examine the potential impact of increasing future temperatures due to climate change on ozone exceedances is developed. The statistical model is based on the fact that the total derivative of ozone with temperature reflects the sum of the partial derivatives of ozone with temperature-dependent physical and chemical processes. The historical ozone-temperature relationship is examined and then combined with future temperature projections from 3 state-of-the-art regional climate models to provide estimates of future ozone exceedance days under the assumption that this relationship will retain its main characteristics. In addition simulations with the global chemical transport model GEOS-CHEM driven by the NASA Goddard Institute for Space Studies general circulation model (NASA/GISS GCM) are ...
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