Regionální modelování primárního a sekundárního aerosolu: od emisí ke koncentracím
| Thesis title in Czech: | Regionální modelování primárního a sekundárního aerosolu: od emisí ke koncentracím |
|---|---|
| Thesis title in English: | Regional modeling of primary and secondary aerosol: from emissions to concentrations |
| Key words: | aerosol, modelování, primární aerosol, sekundární aerosol,kvalita ovzduší, zdroje, emise, meteorologické podmínky, chemický transportní model |
| English key words: | aerosol, modeling, primary aerosol, secondary aerosol, air quality, sources, emissions, meteorological conditions, chemistry transport model |
| Academic year of topic announcement: | 2023/2024 |
| Thesis type: | dissertation |
| Thesis language: | |
| Department: | Department of Atmospheric Physics (32-KFA) |
| Supervisor: | doc. Mgr. Peter Huszár, Ph.D. |
| Author: |
| Guidelines |
| Aerosols, especially those with less than 2.5microns, are very important pollutants with adverse effects on human health. At the same time, urbanization results in a great increase of concentration. The numerical model representation of aerosols, especially the secondary ones is burdened with still high uncertainty (mainly in case of the secondary organic aerosol with complicated nucleation pathways from low-volatile precursors). The successful phd candidate will focus on the model representation of emissions of primary and formation of secondary aerosol from gas-phase precursors and analyze the sensitivity of their concentrations on emission from different human activities and regions, on meteorological conditions as well as on different model parameterization of their emissions and formation from primary precursors. Extensive comparison of model data to observations will be a crucial part of the candidate’s duties and a tight cooperation with the Czech Hydrometeorological Institute and with the Institute of Chemical Process Fundamentals of the Czech Academy of Sciences is expected.
Outcome of a successful research will be and comprehensive assessment of the sources of aerosol for the region of Central Europe. |
| References |
| [1]Brasseur and Jacob: Modeling of Atmospheric Chemistry 1st Edition, Cambridge University Press; 1 edition, 2017.
[2]Seinfeld and Pandis: Atmospheric chemistry and physics, Wiley, New York, 1998. [3] Langmann, B., Sellegri, K., and Freney, E.: Secondary organic aerosol formation during June 2010 in Central Europe: measurements and modelling studies with a mixed thermodynamic-kinetic approach, Atmos. Chem. Phys., 14, 3831–3842, https://doi.org/10.5194/acp-14-3831-2014, 2014. [4] Jiang, J., Aksoyoglu, S., El-Haddad, I., Ciarelli, G., Denier van der Gon, H. A. C., Canonaco, F., Gilardoni, S., Paglione, M., Minguillón, M. C., Favez, O., Zhang, Y., Marchand, N., Hao, L., Virtanen, A., Florou, K., O'Dowd, C., Ovadnevaite, J., Baltensperger, U., and Prévôt, A. S. H.: Sources of organic aerosols in Europe: a modeling study using CAMx with modified volatility basis set scheme, Atmos. Chem. Phys., 19, 15247–15270, https://doi.org/10.5194/acp-19-15247-2019, 2019. [5] Aksoyoglu, S., Ciarelli, G., El-Haddad, I., Baltensperger, U., and Prévôt, A. S. H.: Secondary inorganic aerosols in Europe: sources and the significant influence of biogenic VOC emissions, especially on ammonium nitrate, Atmos. Chem. Phys., 17, 7757–7773, https://doi.org/10.5194/acp-17-7757-2017, 2017. [6]Huszár, P., Belda, M., and Halenka, T.: On the long-term impact of emissions from central European cities on regional air quality, Atmos. Chem. Phys., 16, 1331-1352, doi:10.5194/acp-16-1331-2016, 2016. |
| Preliminary scope of work in English |
| Aerosols, especially those with less than 2.5microns, are very important pollutants with adverse effects on human health. At the same time, urbanization results in a great increase of concentration. The numerical model representation of aerosols, especially the secondary ones is burdened with still high uncertainty (mainly in case of the secondary organic aerosol with complicated nucleation pathways from low-volatile precursors). The successful phd candidate will focus on the model representation of emissions of primary and formation of secondary aerosol from gas-phase precursors and analyze the sensitivity of their concentrations on emission from different human activities and regions, on meteorological conditions as well as on different model parameterization of their emissions and formation from primary precursors. Extensive comparison of model data to observations will be a crucial part of the candidate’s duties and a tight cooperation with the Czech Hydrometeorological Institute and with the Institute of Chemical Process Fundamentals of the Czech Academy of Sciences is expected.
Outcome of a successful research will be and comprehensive assessment of the sources of aerosol for the region of Central Europe. |