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Dr Jan De Rydt

Associate Professor

Department: Geography and Environmental Sciences

Jan De Rydt is a UKRI Future Leaders fellow at Northumbria University, where he conducts research in polar glaciology and oceanography. He is interested in physical processes that govern the flow of glaciers and ice caps, and their interactions with the climate system. He uses a combination of theory, measurements and computer models to simulate present-day and future changes of the Antarctic Ice Sheet, and understand its complex intereactions with the surrounding ocean. His work aims to reduce the uncertainty in sea level rise forecasts over the next decades to centuries.

 

Biography

2018-presentFaculty of Engineering and Environmental Science, Northumbria University, Newcastle, UK
2011-2018British Antarctic Survey, Cambridge, UK
2010-2011Department of Geography, University of Cambridge, Cambridge, UK
2006-2010Department of Physics and Astronomy, Katholieke Universiteit Leuven, Leuven, Beligium

 

Vacancies

  • Several 4-year post-doc positions in ice sheet and ocean modelling. Closing date 16 January 2023. 

  • 2 PhD positions in ice sheet modelling and ice-ocean modelling. Closing date 16 January 2023.
Jan De Rydt

Campus Address

Ellison Building A
Northumbria University
Newcastle Upon Tyne
NE1 8ST

+441912273209

Jan De Rydt is involved with several research projects, funded by the European Comission and UK Research and Innovation.

  • TiPACCs (EU Horizon 2020, 2019-2023) assesses the possibility of near-future irreversible changes, so-called tipping points, in the Southern Ocean and the Antarctic Ice Sheet, in response to climate change. Jan has developed a coupled ice-ocean model Úa-MITgcm to investigate how ocean tipping points are affected by feedbacks between ice-shelf geometry and ocean circulation, and how much ice tipping points are impacted by the complex evolution of ice-shelf melt rates when the ocean crosses a tipping point.

  • OCEAN:ICE (EU Horizon Europe, 2022-2026) assesses the impacts of key Antarctic Ice Sheet and Southern Ocean processes on Planet Earth, via their influence on sea level rise, deep water formation, ocean circulation and climate. Using the ice sheet model Úa, and coupled ice-ocean model Úa-MITgcm, Jan will quantify AIS melt sensitivity to climate forcing with the aim to reduce the ‘deep uncertainty’ in freshwater flux and sea lever rise projections to 2300. He will contribute to projections of basal meltwater, iceberg calving and surface runoff from the Antarctic Ice Sheet for a range of future climate scenarios.

  • Jan is the PI of a UKRI Future Leaders Fellowship (2022-2026), which aims to address three outstanding challenges in ice flow modelling to enable the first robust uncertainty quantification of Antarctic ice loss for a range of climate scenarios between present-day and 2300. The first challenge is the initial value problem of predicting the evolution of the ice sheet given an uncertain estimate of its present-day state. The second challenge is the structural problem of unknown or uncertain physical parameters. Here the focus is on improving the misfit between modelled and observed estimates of Antarctic mass loss between 1990 and 2020. The third challenge is the boundary value problem of assessing future changes in the state of the Ice Sheet due to uncertain external forcing. The project will produce ensemble forecasts and a stochastic error quantification of Antarctic mass loss between 2020 and 2300.

  • Please visit the Pure Research Information Portal for further information
  • The Influence of Pine Island Ice Shelf Calving on Basal Melting, Bradley, A., Bett, D., Dutrieux, P., De Rydt, J., Holland, P. 9 Sep 2022, In: Journal of Geophysical Research: Oceans
  • Drivers of Pine Island Glacier speed-up between 1996 and 2016, De Rydt, J., Reese, R., Paolo, F., Gudmundsson, H. 7 Jan 2021, In: The Cryosphere
  • The tipping points and early warning indicators for Pine Island Glacier, West Antarctica, Rosier, S., Reese, R., Donges, J., De Rydt, J., Gudmundsson, H., Winkelmann, R. 25 Mar 2021, In: The Cryosphere
  • The transferability of adjoint inversion products between different ice flow models, Barnes, J., Dias Dos Santos, T., Goldberg, D., Gudmundsson, H., Morlighem, M., De Rydt, J. 23 Apr 2021, In: The Cryosphere
  • Two-timescale response of a large Antarctic ice shelf to climate change, Naughten, K., De Rydt, J., Rosier, S., Jenkins, A., Holland, P., Ridley, J. Dec 2021, In: Nature Communications
  • Impact of marine processes on flow dynamics of northern Antarctic Peninsula outlet glaciers, Rott, H., Wuite, J., De Rydt, J., Gudmundsson, H., Floricioiu, D., Rack, W. 1 Dec 2020, In: Nature Communications
  • Calving cycle of the Brunt Ice Shelf, Antarctica, driven by changes in ice-shelf geometry, De Rydt, J., Gudmundsson, G., Nagler, T., Wuite, J. 25 Oct 2019, In: The Cryosphere
  • Past and future dynamics of the Brunt Ice Shelf from seabed bathymetry and ice shelf geometry, Hodgson, D., Jordan, T., De Rydt, J., Fretwell, P., Seddon, S., Becker, D., Hogan, K., Smith, A., Vaughan, D. 14 Feb 2019, In: The Cryosphere
  • Recent rift formation and impact on the structural integrity of the Brunt Ice Shelf, East Antarctica, De Rydt, J., Hilmar Gudmundsson, G., Nagler, T., Wuite, J., King, E. 9 Feb 2018, In: The Cryosphere
  • The internal structure of the Brunt Ice Shelf from ice-penetrating radar analysis and implications for ice shelf fracture, King, E., De Rydt, J., Gudmundsson, H. 24 Oct 2018, In: The Cryosphere

  • Theoretical Physics PhD
  • Physics MSc
  • Geography Studies (Science) MPhil


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