Steps towards understanding tropospheric composition variability

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• Dr Apostolos Voulgarakis (Imperial College)
• Monday 09 February 2015, 14:15-15:15
• Unilever Lecture Theatre, Department of Chemistry.

If you have a question about this talk, please contact Dr Amanda Maycock.

The composition of the troposphere varies strongly both in space and in time, especially when considering short-lived constituents such as oxidants (e.g. hydroxyl radicals and ozone), ozone precursors (nitrogen oxides, carbon monoxide etc), and aerosols. Several aspects of this variability are not well understood. In this talk, previous and ongoing work that explores such aspects is going to be discussed. The primary focus will be on interannual variations of the constituents mentioned above. The role of possible drivers of variability is going to be discussed, with an emphasis on biomass burning, meteorology, and cloud-related effects. Examples of how satellite information can be used in conjunction with global modelling to understand the variability of tropospheric constituents and their radiative forcing are going to be demonstrated.

This talk is part of the Centre for Atmospheric Science seminars, Chemistry Dept. series.

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