 Interests: Paleoclimatology, Paleoaltimetry, Organic Geochemistry, Isotope Geochemistry Current Research Projects: *Biological and environmental controls on the hydrogen isotopic composition of organic molecules *Paleoaltimetry of the Tibetan Plateau *Tropical South American climate since the Last Glacial Maximum *Holocene and Pleistocene variability of the equatorial Pacific Ocean *Alkenone-based records of atmospheric CO2 concentrations *Frictional heating on faults evaluated with the thermal alteration of organic molecules Contact: Division of Biology and Paleo Environment Geoscience Building, Room 210 Lamont-Doherty Earth Observatory of Columbia University 61 Route 9W Palisades, NY 10964, USA phone: (845) 365-8400 (office) News Stories, Blogs and Videos: Slideshow of Lamont Summer Internship Program 2011 Climate Record Suggests Drier Times for Pacific Northwest Blog about oceanographic research cruise to the Line Islands What do dead plants tell us about earthquakes? (Lamont Public Lecture) Biomarkers Heat Up During Earthquakes: New Geological Evidence of Earthquake Slip in the Rock Record (Lamont Colloquium Lecture) |