University of Cambridge > > Fluid Mechanics (DAMTP) > Fluid-mechanical models of ice-sheet sliding and dynamics

Fluid-mechanical models of ice-sheet sliding and dynamics

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If you have a question about this talk, please contact Prof. Jerome Neufeld.

The volume of ice stored in glaciers and ice sheets is the primary control on Earth’s sea level, so the question of how it responds to the changing climate is of profound interest. Fundamental to addressing this question is the fluid-like creep of the ice, and the rate at which it can slip over the underlying ‘bed’. In this talk we will first discuss basic models of ice-sheet volume and evolution, and how these are coupled to the climate. Secondly, we’ll consider the detailed problem of how slip at the ice-bed interface is facilitated by the formation of water-filled cavities; even after various simplifications this results in a very interesting free-boundary problem. Finally, we’ll look at a simplified model for marine ice-sheet dynamics when a Coulomb-like plastic law is assumed for the slip.

This talk is part of the Fluid Mechanics (DAMTP) series.

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