2011-2012 Earth Science Colloquium Schedule

Fall 2011

September 9:   Maureen Raymo (Lamont-Doherty Earth Observatory) "CO2, Sea Level, and Isostasy:  Looking to the Past to Predict the Future"                     

September 16: Awardees Recognition Reception

September 23: Arlene Fiore (Department of Earth and Environmental Sciences, Columbia University)  " Global Dimensions to U.S. Air Quality: Intercontinental Transport, Stratospheric Exchange, and Climate Warming"

September 30:  Kristie Boering (University of California, Berkeley) "Top-Down and Bottom-Up: The Isotopic Composition of Atmospheric Nitrous Oxide Since 1940"

October 7:        Michael Ghil ( University of California, Los Angeles (UCLA), Ecole Normale Supérieure (ENS), France) "Extreme Events: A Tale of Climate and Economics"

October 14:      Katie Keranen (University of Oklahoma)  "Extension Beyond the Rift Boundaries: Magmatism, Heat, and Depth-Dependent Deformation in Ethiopia"

October 21:      Louis Uccellini ( NCEP at NOAA) "National Centers for Environmental Prediction:  Advancing Forecast Skill, Especially for Extreme Events"

October 28:      Yair Rosenthal (Rutgers, The State University of New Jersey) " Holocene Changes in the Indonesia Seas Hydrography: Regional Effects and Global implications"

l (Rutgers University) "Holocene Changes in the Indonesia Seas Hydrography: Regional Effects and Global Implications"

November 4:    Diversity Seminar  Jill Karsten (NSF) "A Watershed Model for Broadening Participation in the Geosciences"

November 11:   Peter deMenocal (Department of Earth and Environmental Sciences, Columbia University) "Green Sahara: Holocene Climate and Life in North Africa"

November 18:     Kelin Wang (Pacific Geoscience Centre, Geological Survey of Canada)  "Deformation Cycles of Subduction Earthquakes and Mantle Rheology"

November 25:  Thanksgiving

December 2:    
Wallace Broecker (Lamont-Doherty Earth Observatory) "Do global hydrologic changes during the past 25,000 years serve as a useful guide for what is to come?"

December 9:    AGU

December 16:


Spring 2012


January 20:     Michael Gurnis (California Institute of Technology) "Trench Rollback: From The Birth of Subduction to Global Plate Motions"

January 27:    Ben Van Mooy (Woods Hole Oceanographic Institution) "The Role of Lipids in the Response to Phosphorus Limitation by Phytoplankton"

February 3:      Kim Cobb (Georgia Institute of Technology) "Fossil Coral Evidence for Highly Variable ENSO Activity Over the Holocene: Implications for Detection of Forced Signals"

February 10:   Rajdeep Dasgupta (Rice University) "Ingassing and Outgassing of Terrestrial Carbon Through Time"

February 17    Chris Paola (St. Anthony Falls Laboratory, University of Minnesota) "Mass Balance Effects in Sedimentary Basins"

February 24:   Katherine Freeman (Pennsylvania State University) "Biomarkers, Climate, Vegetation and Early Hominids at Olduvai Gorge in the Early Pleistocene"

March 2:          Craig Manning (University of California, Los Angeles) "In Deep Water: New Insights into Subduction-Zone Fluids"

March 9 :          Keir Becker (Rosenstiel School of Marine and Atmospheric Science, University of Miami) "Twenty Years of ODP/IODP "CORK" Hydrological Observatories - An Overview of Designs, Operations, and Key Results"       

March 16:        Spring break

March 23:        David Shelly (USGS) "Deciphering Tectonic Tremor to Track Deep Fault Creep"

March 30:        Lynne Talley (Scripps Institution of Oceanography, La Jolla, CA) "Global Overturning Circulation: Schematics, Salinity, and Down-Gradient Flow"

April 6:             Mark Harrison (University of California, Los Angeles) "The Dark Age of Earth History: Possible Hadean Plate Boundary Interactions" 

April 13:           Roberta Rudnick (University of Maryland) "A Tale of Two Cratons -- The Contrasting History of the North China and Tanzanian Cratons"

April 20:             Columbia University Department of Earth & Environmental Sciences Arthur D. Storke Memorial Lecture                             Michael J.Graetz (Columbia University) "Energy Policy: Past or Prologue?"

April 27:          Demian Saffer (Penn State University) "Pore Fluid Pressure in Subduction Zone Forearcs: Detection, Quantification, and Implications for Fault Mechanical Behavior"