Influences of microphysical processes on atmospheric humidity: observations and model results

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• Dr Jonathon Wright, University of Cambridge
• Monday 31 January 2011, 14:15-15:15
• Unilever Lecture Theatre, Department of Chemistry.

If you have a question about this talk, please contact Dr Alex Archibald.

The success of simple advection-condensation models at simulating the distribution of atmospheric water vapor indicates that that distribution is primarily controlled by the large-scale temperature and circulation. This suggests in turn that the influence of microphysical effects is small – but how small? In particular, can condensate evaporation be safely neglected, and in what circumstances? Do local effects such as supersaturation play an important role globally? This talk will summarize three projects aimed at providing additional constraints on these problems, using both satellite observations and model results. Particular attention will be paid to the tropical upper troposphere, subtropical dry zones, and troposphere-to-stratosphere transport.

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

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