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Modelling subglacial hydrology

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If you have a question about this talk, please contact Jonathan Kingslake.

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One of the largest uncertainties in forecasts of the melting ice caps is the role played by water at the base of the ice in lubricating ice flow. Recent observations of the Greenland Ice Sheet have shown that summer melt water penetrating from the ice surface substantially affects the rate at which the ice slides, while in Antarctica basal water plays a (presumably) controlling role in the dynamics of ice streams. I will discuss the latest attempts to model subglacial drainage, focussing mainly on the highly dynamic situation when surface melt water enters the ice.

This talk is part of the British Antarctic Survey series.

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