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Multiphase Aspects of Ice Sheet Dynamics

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The ice sheets in Antarctica and Greenland contain are likely to be the largest contributors to sea level change over the next century. Much of the uncertainty in forecasting such change is due to incomplete understanding of the dynamics of these ice masses, or to dynamics that are not adequately accounted for in the models. Many of these have to do with interactions of ice and liquid water, and exhibit interesting interplay between fluid mechanics, solid mechanics and thermodynamics. I will discuss (i) meltwater infiltration in compacting snow, (ii) the potential importance of ‘temperate’ ice near the base of the ice sheets, and (iii) subglacial meltwater drainage.

This talk is part of the BPI Seminar Series series.

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