Carbon and Hydrogen Isotopes: Extracting the Signal from the Noise to Improve Paleoclimate Applications II

Thursday, 18 December 2014: 1:40 PM-3:40 PM
Chairs:  João Pedro Trabucho-Alexandre, Universiteit Utrecht, Utrecht, Netherlands and Aaron F Diefendorf, University of Cincinnati, Cincinnati, OH, United States
Primary Conveners:  João Pedro Trabucho-Alexandre, Durham University, Durham, United Kingdom; Universiteit Utrecht, Utrecht, Netherlands
Co-conveners:  Christopher K Junium, Syracuse University, Syracuse, NY, United States, Aaron F Diefendorf, University of Cincinnati, Cincinnati, OH, United States and Erika J Freimuth, University of Cincinnati Main Campus, Cincinnati, OH, United States
OSPA Liaisons:  João Pedro Trabucho-Alexandre, Universiteit Utrecht, Utrecht, Netherlands

Abstracts Submitted to this Session:

1:40 PM
The Nature of Carbonate and Organic δ13C Covariance Through Geological Time
Amanda M Oehlert1,2 and Peter K Swart2, (1)BP, Houston, TX, United States, (2)Univ Miami, Miami, FL, United States
1:55 PM
Statistical signal analysis of the Phanerozoic ð13C curve: implications for Earth system evolution
Lee Robert Kump1, Aviv Bachan1, Jonathan Payne2, Matthew Saltzman3 and Ellen Thomas4, (1)Pennsylvania State Univ, University Park, PA, United States, (2)Stanford University, Los Altos Hills, CA, United States, (3)Ohio State University Main Campus, School of Earth Sciences, Columbus, OH, United States, (4)Yale University, New Haven, CT, United States
2:10 PM
Is my C isotope excursion global, local, or both? Insights from the Mg and Ca isotopic composition of primary, diagenetic, and authigenic carbonates
John A Higgins, Clara L Blättler and Jonathan Michael Husson, Princeton University, Princeton, NJ, United States
2:25 PM
Testing the limits of high-resolution whole-rock δ13Ccarb stratigraphy
Patrick McLaughlin, University of Wisconsin Madison, Madison, WI, United States, Poul Emsbo, USGS Central Region Office, Lakewood, CO, United States, Carlton Brett, University of Cincinnati Main Campus, Cincinnati, OH, United States, Michael Hurth, Colorado School of Mines, Golden, CO, United States, Bryan K Sell, University of Michigan Ann Arbor, Earth and Environmental Sciences, Ann Arbor, MI, United States and Craig A Johnson, USGS, Denver, CO, United States
2:40 PM
Hydrogen Isotope Biogeochemistry of Plant Biomarkers in Tropical Trees from the Andes to Amazon
Sarah J Feakins1, Camilo Ponton1, A. Joshua West1, Yadvinder Malhi2, Gregory Goldsmith2, Norma Salinas2 and Lisa Patrick Bentley2, (1)University of Southern California, Los Angeles, CA, United States, (2)University of Oxford, School of Geography and the Environment, Oxford, United Kingdom
2:55 PM
A Spatiotemporal View of the African Humid Period from Leaf Wax Isotopes
Jessica E Tierney, WHOI, Woods Hole, MA, United States and Peter B deMenocal, Lamont-Doherty Earth Obs, Palisades, NY, United States
3:10 PM
Fidelity of leaf-wax n-alkane and n-alkanoic acid D/H ratios in space and time
Pratigya J Polissar1, Molleigh Bea Preefer2 and Christine Liu2, (1)Lamont Doherty Earth Obs., Palisades, NY, United States, (2)Columbia University of New York, Department of Earth and Environmental Science, Palisades, NY, United States
3:25 PM
Predicting the Hydrogen Isotope Ratios of Leaf Waxes Across Landscapes
Brett James Tipple1, Melissa A Berke2, Bastian Hambach1 and James R Ehleringer1, (1)University of Utah, Department of Biology, Salt Lake City, UT, United States, (2)University of Notre Dame, Notre Dame, IN, United States