The signature hidden in the deformation of a free surface

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• Mathieu Sellier (University of Canterbury, New Zealand)
• Thursday 09 October 2025, 11:30-12:30
• Open Plan Area, Institute for Energy and Environmental Flows, Madingley Rise CB3 0EZ.

If you have a question about this talk, please contact Catherine Pearson.

The accurate modelling of geophysical flows often requires information which is difficult to measure and therefore poorly quantified. Such information may relate to the fluid properties or an unknown boundary condition, for example. The premise of this talk is that when the flow is bounded by a free surface, the deformation of this free surface contains useful information which can be used to infer such unknown quantities. The increasing availability of free surface data through remote sensing using drones and satellites provides the impetus to develop new mathematical methods and numerical tools to interpret the signature embedded in the free surface deformation. This talk will explore recent examples drawn from glaciology and volcanology for which free surface data can successfully be used to recover unknown parameters or reconstruct an unknown field. 

This talk is part of the Institute for Energy and Environmental Flows (IEEF) series.

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