Abstract
This chapter introduces some concepts of aerosol modelling, going through the different terms of the continuity equation. The procedure for producing emissions inventories of aerosols and aerosol precursors from fossil fuel and biomass burning is briefly discussed. The basis for parametrizing the emissions of other aerosol types and aerosol precursors, such as sea spray and desert dust, dimethysulphide, and volatile organic compounds is also presented. The most relevant atmospheric processes are then reviewed starting from nucleation, new particle formation, and condensation of semi-volatile compounds, and continuing with coagulation, production in the liquid phase, dry deposition, wet deposition, and sedimentation. For each of these processes, a conceptual model is presented. The various approaches to aerosol modelling (bulk, sectional, and modal) are then presented with their advantages and disadvantages. Finally, an example is provided with the global sulphur cycle.
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Notes
- 1.
Coccolithophores are unicellular algae that protect their cell under a layer of calcite plates.
- 2.
\({\text{pH}} = - {\log _{10}}[{{\text{H}}^ + }]\) where \([\hbox{H}^+]\) is the concentration in H\(^+\) (or equally H3O\(^+\)) cations in water in unit mol l-1.
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Further Reading (Textbooks and Articles)
de Leeuw G Andreas EL Anguelova MD Fairall CW Lewis ER O’Dowd C Schulz M Schwartz SE (2011) Production flux of sea spray aerosol. Rev Geophys 49:RG200–1. doi:10.1029/2010RG000349
Seinfeld J, Pandis S (2006) Atmospheric chemistry and physics: from air pollution to Dordrecht climate change. Wiley, New York, 1232Â pp
Sportisse B (2010) Air pollution modelling and simulation, 2nd edn. Springer Berlin, and Heidelberg, 608 pp
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Boucher, O. (2015). Aerosol Modelling. In: Atmospheric Aerosols. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-9649-1_4
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