Seasonal Greenland Ice Sheet ice flow variations in regions of differing bed and surface topography

Stephen John Livingstone1, Andrew John Sole1, David M Rippin2, Jon Hill3, Malcolm McMillan4 and Duncan J Quincey5, (1)University of Sheffield, Sheffield, United Kingdom, (2)University of York, Environment Department, York, YO10, United Kingdom, (3)University of York, Environment Department, York, United Kingdom, (4)Lancaster University, Lancaster, United Kingdom, (5)University of Leeds, School of Geography, Leeds, United Kingdom