Community activities include:

2022- , Chair: Publications Committee of International Glaciological Society

2018-21, UK Correspondent: International Association of Cryospheric Sciences.

2016-, Core Member: Natural Environment Research Council's Peer Review College.

2000-20, UK Correspondent: International Glaciological Society.

2016-19, Editor-in-Chief of Journal of Geophysical Research: Earth Surface.

2013-16, Editor of Journal of Geophysical Research: Earth Surface.

2010-13, Associate Editor of Journal of Geophysical Research: Earth Surface.

2022- Associate Dean for Research, Faculty of Earth and Life Sciences

2020-2022 Director of Research, Department of Geography & Earth Sciences, Aberystwyth University.

2011- Professor, Institute of Geography and Earth Sciences, Aberystwyth University.

2009-2022 Director of the Centre for Glaciology, Department of Geography and Earth Sciences, Aberystwyth University.

2013-16 Director of Research, Institute of Geography, History, Politics and Psychology, Aberystwyth University.

2011-16 Director of Research, Department of Geography and Earth Sciences, Aberystwyth University.

2005-2011 Reader in Glaciology. Centre for Glaciology, Institute of Geography and Earth Sciences, UW Aberystwyth.

2001-2004 Senior Lecturer in Glaciology. Centre for Glaciology, Institute of Geography and Earth Sciences, UW Aberystwyth.

1994-2000 Lecturer in Glaciology. Centre for Glaciology, Institute of Geography and Earth Sciences, UW Aberystwyth.

1992-1994 Post-doctoral Research Associate. Department of Geography, University of Cambridge. ('Water storage, drainage evolution and water quality in Alpine glacial environments').

1988-1992 Ph.D. Glaciology. Fitzwilliam College and Department of Geography, University of Cambridge ('Basal ice facies and their formation in the western Alps').

1983-1986 B.A. Geography (First Class). Christ Church and School of Geography, University of Oxford.

Research Interests

Current research interests (summarized here: https://users.aber.ac.uk/byh/) include:

• Using pressurized hot-water to drill boreholes into glaciers to investigate ice properties and englacial and basal processes
• Links between subglacial drainage and ice motion via borehole access.
• Ice shelf structure and ice characteristics, including ice coring and hot-water drilling.
• The physical character of glacier ice and basal ice.
• Optical televiewing (OPTV) of boreholes in glaciers, ice sheets and ice shelves.
  • Technique development: Tsanfleuron Glacier, Switzerland & King Baudouin Ice Shelf, Antarctica 
  • Structural glaciology and sediment transfer: Midre Lovénbreen, Svalbard, Khumbu Glacier, Nepal, & Larsen C Ice Shelf, Antarctica
  • Ice shelf structure: Roi Baudouin Ice Shelf & Larsen C Ice Shelf, Antarctica.
  • Ice sheet structure: NEEM deep borehole, Greenland.
  • Ice stream processes: Store Glacier, Greenland.
• Basal ice physical properties and processes of formation and deformation.
• The structure and dynamics of glacial lakes and drainage systems.
• The physical character of subglacial sediment.
• The occurrence and character of glacier-like forms on Mars.

Research experience includes leading or participating in ~100 field campaigns over 35 years at glaciers in Antarctica, Greenland, Svalbard, the European Alps, Peru, Nepal, the Canadian Rockies, Norway, and the Canadian Arctic.