Wednesday, April 17, 2013
4:00 pm
South Mudd 365

Environmental Science and Engineering Seminar

How, why, and when is Pacific climate changing (and who cares)?
Amy Clement, Professor, Meteorology & Physical Oceanography, Rosensteil School of Marine and Atmospheric Science, University of Miami

Small fluctuations in the Pacific climate can have global impacts, particularly in drought-prone regions. While we have a solid foundation for interpreting interannual fluctuations in the the Pacific, our understanding of longer-term change is quite poor. This is in part because the observational record is limited, and in part because we don't have a good understanding of the drivers and mechanisms of decadal to century times-scale climate change in the region. Here I will present  observational results together with a hierarchy of climate models to identify the role of anthropogenic greenhouse gases and aerosols in driving Pacific climate change. I will also present some new ideas on the role of natural processes in the coupled ocean-atmosphere system, in particular cloud feedbacks, and their importance for predicting future change.

Contact Liz Boyd miura@gps.caltech.edu at 626-395-6070
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