|From||Mattias Hallquist <email@example.com>|
|Date||Mon, 21 Jan 2013 11:51:19 +0100|
We have a PhD position open and you may forward this mail to suitable candidates:
We are looking for a candidate with a master degree in science, with a focus on chemistry. The PhD project is application of high resolution mass spectroscopy for the understanding of secondary organic aerosol (SOA) formation and properties. These studies should lead to increased understanding of transformation of organic substances in the atmosphere and its impact on climate and health. The position is part of the strategic research area MERGE coordinated within the prominent research environment “atmospheric-climate ecosystems”, see www.science.gu.se / research / atmosphere-climate ecosystems.
The aim of this project is to quantify, understand and provide tools to predict the human influences on biogenic secondary organic aerosol (SOA) formation. Aerosol particles are crucial components in any evaluation process regarding air quality and climate change. The SOA represents a significant fraction of the tropospheric aerosol. Still, the current level of understanding of SOA processes is remarkably low compared to other processes in aerosol science, i.e. modelled SOA based on experimental findings and existing theory do not capture the variability of observed SOA loadings. It has been indicated that biogenic SOA can be largely affected by anthropogenic pollutants, i.e. NO2, SO2 or organic compounds e.g. aromatics and aldehydes. The effect of anthropogenic pollutants may explain part of the discrepancy between models and field observations. Specifically, this project apply high resolution mass spectroscopy techniques for detailed analysis of gas and particle phase to elucidate chemical mechanism of importance for atmospheric SOA.
Department of Chemistry and Molecular Biology
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