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Thesis

Mathematical modelling of subglacial drainage and erosion

Abstract:

The classical theory of channelized subglacial drainage,due orginally to Röthlisberger (1972) and Nye (1976), considers water flow in an ice channel overlying a rigid, impermeable bed. At steady flow, creep closure of the channel walls is counteracted by melt-back due to heat dissipation, and this leads to an equilibrium relation between channel water pressure and discharge. More generally, such a balance exhibits an instability that can be used to describe the mechanics of catastrophic flood...

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Publisher:
University of Oxford;Mathematical Institute
Publication date:
1998
UUID:
uuid:346ee63c-a176-4381-aafb-980057dd6f5c
Local pid:
oai:eprints.maths.ox.ac.uk:31
Deposit date:
2011-05-19

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