Dupont Research

Todd Dupont's Research Group

 (email)

Publications

Journal Articles

Parizek, B. R., Alley, R. B., Dupont, T., Walker, R., Anandakrishnan, S. (2010). Effect of orbital-scale climate cycling and meltwater drainage on ice sheet grounding line migration. Journal of Geophysical Research-Earth Surface, 115(F01011), doi:10.1029/2009JF001325.

Walker, R. T., Dupont, T., Holland, D. M., Parizek, B. R., Alley, R. B. (2009). Initial effects of oceanic warming on a coupled ocean–ice shelf–ice stream system. Earth and Planetary Science Letters, 287, 483-487, doi:10.1016/j.epsl.2009.08.032.

Walker, R. T., Dupont, T., Parizek, B. R., Alley, R. B. (2008). Effects of basal-melting distribution on the retreat of ice-shelf grounding lines. Geophysical Research Letters, 35(L17503), doi:10.1029/2008GL034947.

Alley, R. B., Horgan, H. J., Joughin, I., Cuffey, K. M., Dupont, T., Parizek, B. R., Anandakrishnan, S., Bassis, J. (2008). A Simple Law for Ice-Shelf Calving. Science, 322(5906), 1344-1344.

Alley, R. B., Anandakrishnan, S., Dupont, T., Parizek, B. R., Pollard, D. (2007). Effect of Sedimentation on Ice-Sheet Grounding-Line Stability. Science, 315, 1838.

Alley, R. B., Dupont, T., Parizek, B. R., Anandakrishnan, S., Lawson, D. E., Larson, G. J., Evenson, E. B. (2006). Outburst flooding and surge initiation in response to climatic cooling: An hypothesis. Geomorphology, 75, 76-89.

Dupont, T., Alley, R. B. (2006). Role of small ice shelves in sea-level rise. Geophysical Research Letters, 33(L09503).

Alley, R. B., Dupont, T., Parizek, B. R., Anandakrishnan, S. (2005). Access of surface meltwater to beds of subfreezing glaciers: Preliminary insights. Annals of Glaciology, 40(8-14).

Dupont, T., Alley, R. B. (2005). Assessment of the importance of ice-shelf buttressing to ice-sheet flow. Geophysical Research Letters, 32(L04503).

Dupont, T., Alley, R. B. (2005). Conditions for the reversal of ice/air surface slope on ice streams and shelves: a model study. Annals of Glaciology, 40, 139-144.

Alley, R. B., Anandakrishnan, S., Dupont, T., Parizek, B. R. (2004). Ice streams – fast, and faster?. Comptes Rendus Physique, 5(7), 723-734.

Rignot, E. J., Vaughan, D. G., Schmeltz, M., Dupont, T., MacAyeal, D. (2002). Acceleration of Pine Island and Thwaites Glaciers, West Antarctica. Annals of Glaciology, 34, 189-194.

Schmeltz, M., Rignot, E., Dupont, T., MacAyeal, D. R. (2002). Sensitivity of Pine Island Glacier, West Antarctica, to changes in ice-shelf and basal conditions: a model study. Journal of Glaciology, 48(163), 552-558.

Presentations Given

Dupont, T. (Author), Chaney, N. (Presenter & Author), 2009 Fall American Geophysical Union Meeting, "Relationship between Fracture Mechanics and Heat Transfer in Moulin Formation," San Francisco. (December 15, 2009).

Dupont, T. (Author), Lindsey, D. S. (Presenter & Author), 2009 Fall American Geophysical Union Meeting, "Using the level set method to track ice sheet boundaries," San Francisco. (December 15, 2009).

Dupont, T. (Author), Parizek, B. R. (Presenter & Author), Alley, R. B. (Author), Walker, R. T. (Author), Anandakrishnan, S. (Author), 2009 Community Climate System Model Workshop, "Ice-Sheet Grounding-Line Migration: Effect of Climate Cycling and Meltwa- ter Plumbing," Breckenridge, CO, USA. (June 18, 2009).

Dupont, T., 2009 Midwest Glaciologist Meeting, "Testing Side-Stress Parameterization - along overdue experiment," Chicago, IL, USA. (March 27, 2009).

Dupont, T. (Presenter & Author), Alley, R. B. (Author), Parizek, B. R. (Author), 2008 Fall American Geophysical Union Meeting, "Comparison of Side Drag and Buttressing Generated by Flow-Line and Plan- View Models of Ice Shelves," San Francisco, CA, USA. (December 2008).

Dupont, T. (Author), Parizek, B. R. (Presenter & Author), Alley, R. B. (Author), Walker, R. T. (Author), Anandakrishnan, S. (Author), 2008 Fall American Geophysical Union Meeting, "Effect of Climate Cycling and Meltwater Plumbing on Ice-Sheet Grounding- Line Migration," San Francisco, CA, USA. (December 2008).

Dupont, T. (Author), Walker, R. T. (Presenter & Author), Alley, R. B. (Author), Parizek, B. R. (Author), 2008 Fall American Geophysical Union Meeting, "Effects of Basal-Melting Distribution on the Retreat of Ice-Shelf Grounding Lines," San Francisco, CA, USA. (December 2008).

Dupont, T., Building a Next-Generation Community Ice Sheet Model, "Dynamic Ice Fronts: Implementing an empirical ice-shelf calving law," Los Alamos, NM. (August 18, 2008 - August 20, 2008).

Dupont, T., American Geophysical Union Fall Meeting (2007), "Calving Dynamics in an Ice-Stream/Ice-Shelf Model: Are Basal and Lateral Drag Stabilizing," San Francisco, CA. (December 10, 2007 - December 14, 2007).

Dupont, T., Northwest Glaciology Meeting (2007), "Calving Dynamics and Buttressing - In Search of Stability," Portland, OR. (October 26, 2007 - October 27, 2007).

Dupont, T., 14th Annual West Antarctic Ice Sheet initiative meeting (2007), "When the Bough Breaks: Implementing an Empirical Calving Rule in a Dynamic Stream/Shelf Model," Sterling, VA. (September 5, 2007 - September 6, 2007).