Alun Hubbard

Professor of Glaciology, Arctic Five Chair, University of Tromsø

Alun Hubbard

Richard Bates and Alun Hubbard kayak a meltwater stream on Greenland’s Petermann Glacier, towing an ice radar that reveals it’s riddled with fractures. Photo: Nick Cobbing

Meltwater is hydro-fracking Greenland’s ice sheet through millions of hairline cracks — destabilising its internal structure

30 Jun 2023

7 min read

A turbulent melt-river pours a million tons of water a day into a moulin, where it flows through the subglacial environment to ultimately reach the ocean. Photo: Ted Giffords

What’s going on with the Greenland ice sheet?

29 Aug 2022

7 min read

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