Subglacial freshwater drainage increases modelled basal melt of the Totten ice shelf

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• David Gwyther (UNSW)
• Wednesday 22 February 2023, 10:00-11:00
• BAS Seminar Room 1; https://ukri.zoom.us/j/93553740320.

If you have a question about this talk, please contact Dr Michael Haigh.

Subglacial freshwater discharge from beneath Antarctic glaciers likely has a strong impact on ice shelf basal melting. However, the difficulty in directly observing subglacial flow highlights the importance of modelling these processes. We used an ocean model of the Totten Ice Shelf cavity into which we inject subglacial discharge derived from a hydrology model of the Aurora Subglacial Basin. I will discuss the three key findings from this work. I will also give a brief overview of my most recent (subtropical!) ocean data assimilation research.

This talk is part of the British Antarctic Survey - Polar Oceans seminar series series.

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