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Sebastian Harry Reid Rosier

2018 - Vice Chancellors Research Fellow, Northumbria University, UK|2015-2018 Post-Doctoral Research Fellow, British Antarctic Survey, UK

Department: Geography and Environmental Sciences

Campus Address

217A Ellison Building,
Northumbria University,
Newcastle Upon Tyne,
NE1 8ST

Qualifications

PhD, British Antarctic Survey and Bangor University, Cambridge, 2015

MSc Applied Physical Oceanography, Bangor University, Bangor, 2011

BSc Ocean Science, Bangor University, Bangor, 2010

Research Themes & Scholarly Interests

My research focuses on understanding the processes controlling ice flow in Antarctica, with the goal of improving computer model predictions of the continent’s contribution to future sea level rise. I have a particular interest in how ocean tides affect the ice sheet and how we can use observations of these tidal effects to gain insights into ice rheology and flow. 

Current/Recent Projects

Filchner Ice Shelf System, NERC large grant, Post-doctoral research fellow, 2015 –

‘Satellite observation and model intercomparison of tidal processes in ice-sheet grounding zones’. 2015 SCAR fellowship in collaboration with the University of Canterbury and Gateway Antarctica

Key Publications

Rosier, S. H. R., Gudmundsson, G. H. and Green, J. A. M. (2014) Insights into ice-stream dynamics through modeling their response to tidal forcing. The Cryosphere, 8, 1763-1775, DOI:10.5194/tc-8-1763-2014.

Rosier, S. H. R., Gudmundsson, G. H. and Green, J. A. M. (2015) Temporal variations in the flow of a large Antarctic Ice Stream controlled by tidally induced changes in the subglacial water system. The Cryosphere, 9, 1649-1661, DOI:10.5194/tc-9-1649-2015.

Rosier, S. H. R. and Gudmundsson, G. H. (2016) Tidal controls on the flow of ice streams. Geophysical Research Letters, 43, 4433–4440, DOI:10.1002/2016GL068220.

Rosier, S. H. R., Gudmundsson, G., King, M., Nicholls, K. Makinson, K. Corr, H. (2017) Strong tidal variations in ice flow observed across the entire Ronne ice Shelf and adjoining ice streams. Earth System Science Data, 9, 849-860.

Rosier, S. H. R. and Gudmundsson, G. H. (2018) Tidal bending of ice shelves as a mechanism for large-scale temporal variations in ice flow. The Cryosphere, 12 (5), 1699-1713.

Rosier, S. H. R., Hofstede, C., Brisbourne, A. M., Hatterman, T., Nicholls, K., Davis, P., Anker, P., Hillenbrand, C-D., Smith, A., Corr, H. (2018) A new bathymetry for the southeastern Filchner-Ronne Ice Shelf: implications for modern oceanographic processes and glacial history. Journal of Geophysical Research: Oceans. 123 (7), 4610-4623.


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