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William Roberts

Senior Research Fellow

Department: Geography and Environmental Sciences

I've always been fascinated by the weather and climate. This ultimately led to an undergraduate degree in Meteorology and a PhD in Atmospheric Sciences. Along this journey I learnt that not only do we know quite a lot about how the climate changed in the past, but also, by using climate models, we can explain the physics behind these changes. This is now the focus of my research. In the past I've looked at how year to year variability in the tropical Pacific evolved over the last 10 thousand years, how collapsing ice sheets can alter the global climate, and how year to year variability in Antarctica can be changed by the size of ice sheets in the Northern Hemisphere. Underpining all of these studies is a desire to not just document changes but to explain how and why the changes happen.

Personal Website

Key Publications

  • Please visit the Pure Research Information Portal for further information
  • The mechanisms that determine the response of the Northern Hemisphere's stationary waves to North American ice sheets, Roberts, W., Li, C., Valdes, P. 1 Jul 2019, In: Journal of Climate
  • Increasing mitigation ambition to meet the Paris Agreement’s temperature goal avoids substantial heat-related mortality in U.S. cities, Lo, Y., Mitchell, D., Gasparrini, A., Vicedo-Cabrera, A., Ebi, K., Frumhoff, P., Millar, R., Roberts, W., Sear, F., Sparrow, S., Uhe, P., Williams, G. 5 Jun 2019, In: Science advances
  • A spatiotemporal reconstruction of sea-surface temperatures in the North Atlantic during Dansgaard-Oeschger events 5-8, Jensen, M., Nummelin, A., Nielsen, S., Sadatzki, H., Sessford, E., Risebrobakken, B., Andersson, C., Voelker, A., Roberts, W., Pedro, J., Born, A. 26 Jun 2018, In: Climate of the Past
  • Southern Hemisphere climate variability forced by Northern Hemisphere ice-sheet topography, Jones, T., Roberts, W., Steig, E., Cuffey, K., Markle, B., White, J. 15 Feb 2018, In: Nature
  • The BRIDGE HadCM3 family of climate models, Valdes, P., Armstrong, E., Badger, M., Bradshaw, C., Bragg, F., Crucifix, M., Davies-Barnard, T., Day, J., Farnsworth, A., Gordon, C., Hopcroft, P., Kennedy, A., Lord, N., Lunt, D., Marzocchi, A., Parry, L., Pope, V., Roberts, W., Stone, E., Tourte, G., Williams, J. 12 Oct 2017, In: Geoscientific Model Development
  • Characterizing unforced multi-decadal variability of ENSO, Atwood, A., Battisti, D., Wittenberg, A., Roberts, W., Vimont, D. Oct 2017, In: Climate Dynamics
  • Ocean dominated expansion and contraction of the late Quaternary tropical rainbelt, Singarayer, J., Valdes, P., Roberts, W. 24 Aug 2017, In: Scientific Reports
  • Can energy fluxes be used to interpret glacial/interglacial precipitation changes in the tropics?, Roberts, W., Valdes, P., Singarayer, J. 28 Jun 2017, In: Geophysical Research Letters
  • Green Mountains and White Plains: The Effect of Northern Hemisphere Ice Sheets on the Global Energy Budget, Roberts, W., Valdes, P. May 2017, In: Journal of Climate
  • The role of basal hydrology in the surging of the Laurentide Ice Sheet, Roberts, W., Payne, A., Valdes, P. 3 Aug 2016, In: Climate of the Past


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