Thomas R Chudley¹, Poul Christoffersen¹, Samuel Huckerby Doyle², Marion H Bougamont¹, Charlotte M Schoonman³, Bryn P Hubbard² and Mike R James⁴, (1)University of Cambridge, Scott Polar Research Institute, Cambridge, United Kingdom, (2)Aberystwyth University, Department of Geography and Earth Sciences, Aberystwyth, United Kingdom, (3)University of Cambridge, Cambridge, United Kingdom, (4)Lancaster University, Lancaster, United Kingdom