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Joe Kidston, University of New South Wales, Sydney, Australia
Wednesday 17 April 2013, 13:00-14:00
The relationship between the speed and the latitude of the eddy-driven jet; implications for climate change and stratosphere-troposphere coupling
- đ¤ Speaker: Joe Kidston, University of New South Wales, Sydney, Australia
- đ Date & Time: Wednesday 17 April 2013, 13:00 - 14:00
- đ Venue: Centre for Mathematical Sciences, MR 12
Abstract
This talk aims to shed light on the controls on the latitude of Earth’s jet streams and storm tracks. The relationship between the speed and the latitude of the eddy-driven jet is investigated in a hierarchy of general circulation models.
A stirred barotropic model is used to show that quasilinear wave-mean flow interaction theory predicts that faster jets should be shifted poleward. The implications for mid-latitude circulation changes in response to both forced climate change, and temporary stratospheric wind-speed anomalies, are discussed and investigated using primitive equation GCMs.
Series This talk is part of the Talks related to atmosphere and ocean dynamics and climate science series.
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