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Stegman, Dave

Asst Professor of Geophysics

Degrees:

• B.A., Bowdoin College
• Ph.D., University of California, Berkeley

Research Interests:

• Computational geodynamics
• Dynamics of the lithosphere
• Achieving a fully dynamical theory for plate tectonics
• Global tectonics and the history plate motions
• Mantle dynamics
• Subduction processes
• Tectonic evolution of western North America
• Planetary geophysics: thermal and tectonic evolution of icy and terrestrial planets and moons
• Rotational stability of planets
• Core-mantle boundary interactions
• Archean geodynamics
• Formation and dispersal of supercontinents
• Application of high-performance computing and advanced visualization systems to geodynamics
• 
  
  Link to Google Scholar Profile

Courses Recently Taught:

• SIO 1: The Planets
• SIO 239: Special Topics in Geophysics
• SIO 87: Freshman Seminar
• SIO103: Introduction to Geophysics
• SIO224: Internal Constitution/Earth
• SIO239: Special Topics in Geophysics
• SIO249: Spec Topics in Marine Geology

Mentoring:

• Holmes, James (Undergrad; 2011-)
• Hasterok, Derrick (Post Doc; 2010-)
• Kanitsch, Karl (Graduate; 2010-)
• Liu, Lijun (Post Doc; 2010-)
• Peterson, Robert (Graduate; 2009-)

Liu, L. and D.R. Stegman. "Onset of Columbia River flood basalt controlled by propagating rupture of the Farallon slab”, Nature, 482, 7385, 386-389 doi:10.1038/nature10749, 2012.

Capitanio, F.A., C. Faccenna, S. Zlotnik, and D.R. Stegman. “Subduction dynamics and the origin of Andean orogeny and Bolivian Orocline”, Nature, 480, 7375, 10.1038/nature10596, 2011.

Liu, L. and D.R. Stegman. "Segmentation of the Farallon Slab" Earth and Planetary Science Letters, 311, 1-2, 1-10, 2011.

Schellart, W.P., D.R. Stegman, R.J. Farrington, and L. Moresi. "Influence of lateral slab edge distance on plate velocity, trench velocity and subduction partitioning" J. Geophysical Research - Solid Earth , 116, B10408, doi:10.1029/2011JB008535, 2011.

Cande, S.C. and D.R. Stegman. “Indian and African plate motions driven by the push force of the Reunion plume head,” Nature, 475, 7354, 47-52, 2011.

Schellart, W.P., D.R. Stegman, R.J. Farrington, J. Freeman, and L. Moresi. "Cenozoic Tectonics of Western North America Controlled by Evolving Width of Farallon Slab", Science, 329, 5989, 316-319, doi: 10.1126/science.1190366, 2010.

Yanagisawa, T., Y. Yamagishi, Y. Hamano, and D.R. Stegman. “Mechanism for generating stagnant slabs in 3-D spherical mantle convection models at Earth-like conditions”, Physics of the Earth and Planetary Interiors, 183, 341-352, doi:10.1016/j.pepi.2010.02.005, 2010.

Farrington, R., D.R. Stegman, L. Moresi, M. Sandiford and D.A. May. “Interactions of 3D Mantle Flow and Continental Lithosphere near Passive Margins,” Tectonophysics, 483, 20-28, doi:10.1016/j.tecto.2009.10.008, 2010.

Stegman, D.R.., R. Farrington, F.A. Capitanio, and W.P. Schellart. “A regime diagram for subduction styles from 3-D numerical models of free subduction,” Tectonophysics, 483, 29-45, doi:10.1016/j.tecto.2009.08.041, 2010.

Stegman, D.R., W.P. Schellart, and J. Freeman. “Competing influences of plate width and far-field boundary conditions on trench migration and morphology of subducted slabs in the upper mantle,” Tectonophysics, 483, 46-57, doi:10.1016/j.tecto.2009.08.026, 2010.

Capitanio, F.A., D.R. Stegman, L. Moresi and W. Sharples. “Upper plate controls on deep subduction, trench migrations and deformations at convergent margins”, Tectonophysics, 483, 80-92, doi:10.1016/j.tecto.2009.08.020, 2010.

Stegman, D.R., J. Freeman and D.A. May. “Origin of ice diapirism, true polar wander, subsurface ocean, and tiger stripes of Enceladus driven by compositional convection”, Icarus, 202, 669-680, doi:10.1016/j.icarus.2009.03.017, 2009.

Gottschaldt, K., U. Walzer, D.R. Stegman, J.R. Baumgardner, and H.B. Mulhaus. “V. Mantle Convection – A Case Study," Advances in Geocomputing (ed H. Xing), Lecture Notes in Earth Sciences, 119, 139-170, Springer-Verlag Berlin Heidelberg, doi:10.1007/978-3-540-85879-9_5, 2009.

OzBench, M., K. Regenauer-Lieb, D.R. Stegman, G. Morra, R. Farrington, A. Hale, D.A. May J. Freeman, L. Bourgouin, H. Muhlhaus, and L. Moresi. “A model comparison study of large-scale mantle-lithosphere dynamics driven by subduction”, Physics of the Earth and Planetary Interiors, 171, 224-234, doi:10.1016/j.pepi.2008.08.011, 2008.

Clark, S., D.R. Stegman, D. Mueller. “Episodicity in back-arc basin formation”, Physics of the Earth and Planetary Interiors, 171, 265-279, doi:10.1016/j.pepi.2008.04.012, 2008.

Schellart, W.P., D.R. Stegman, and J. Freeman. “Global trench migration velocities and slab rollback-induced mantle fluxes: Constraints to find an absolute Earth reference frame based on minimizing viscous dissipation”, Earth Science Reviews, doi:10.1016/j.earscirev.2008.01.005, 2008.

Stegman, D.R., L. Moresi, R. Turnbull, J. Giordani, P. Sunter, A. Lo and S. Quenette. “gLucifer: Next Generation Visualization Framework for High Performance Computational Geodynamics”, Visual Geosciences, doi:10.1007/s10069-008-0010-2, 2008.

Schellart, W.P., J. Freeman, D.R. Stegman, L. Moresi, and D. A. May. “Evolution and diversity of subduction zones controlled by slab width”. Nature, 446:308–311, 2007.

Stegman, D.R., J. Freeman, W.P. Schellart, L-N. Moresi, and D.A. May “Influence of trench width on subduction hinge retreat rates in 3-D models of slab rollback”, Geochemistry Geophysics Geosystems, 7, Q03012, 2006.

Reese, C.C., V.S. Solomatov, J.R. Baumgardner, D.R. Stegman, A.V. Vezolainen. “Magmatic evolution of impact induced Martian mantle plumes and the origin of Tharsis", Journal of Geophysical Research - Planets , 109, 10.1029/2003JE002222, 2004.

Stegman, D.R., A.M. Jellinek, S.A. Zatman, J.R. Baumgardner, and M.A. Richards. "An early lunar core dynamo driven by thermochemical mantle convection," Nature, 421, 143-146, 2003.

Stegman, D.R., M.A. Richards, and J.R. Baumgardner. "Effects of depth dependent viscosity and plate motions on maintaining a relatively uniform MORB reservoir in whole mantle flow," Journal of Geophysical Research - Solid Earth, 107, 10.1029/2001JB000192, 2002.