Spring 2008

February 18	Carl Tape, CalTech, "Adjoint Tomography of Southern California"
February 25
March 3	Blair Schoene, Université de Genève, "A thermotectonic framework for the 3.7-3.1 Ga  growth and stabilization of the Kaapvaal Craton, southern Africa"
March 10	Wonsuck Kim, University of Illinois, "The Pulse of Calm Fan Deltas"
March 17	Stephen Parman, Durham University, "Catastrophic melting events in the Archean and their correlation with atmosphere-biosphere evolution"
March 24	Chloe Michaut, Yale University, "Volcanism and evolution of terrestrial planets"
March 31	Robert Moucha, University of Quebec, "Implications of mantle convection for topography and eustatic sea level change"
April 7	Eric Dunham, Harvard University, "Earthquake Modeling: From Fault Friction to Seismic Hazard"
April 14	Larry Horowitz, Geophysical Fluid Dynamics Laboratory/NOAA, Princeton University, "Tropospheric Chemistry and Climate"
April 15	Anat Shahar, University of California, Los Angeles, "Non-traditional Stable Isotope Fractionation Mechanisms: From Dust to Planets" 12:30 p.m. - 1:30 p.m. in Room 155 Guyot
April 21	Ian Garrick-Bethell, Massachusetts Institute of Technology, "Lunar Tidal Geodynamics"
April 28	William MacDonald, State University of New York,  “Meteorite impact structures in South America”
April 29	Li Li, Stony Brook State University of New York, "The Earth’s Mantle with low velocity zones: Insights from Phase Transitions Observed at Mantle Conditions and Seismic Frequencies" 12:30 p.m. - 1:30 p.m. in Room 155 Guyot
May 5	Michael Mumma, Goddard Space Flight Center, “The Current Status of Methane on Mars:  Geophysics or Biology?”
May 6	Jerry Mitrovica, University of Toronoto, "In Search of Lost Time: Ancient Eclipses, Modern Satellites and the Enigma of Global Sea Level Rise"
May 12	Michael Widdowson, Leeds University, GB, "Assessing the timing, duration, and environmental impact of the Deccan Traps eruptions"