T199 High-Resolution Terrestrial and Marine Geochemical Proxies of Global Change: Progress, Problems, and Utility II

Tuesday, 20 October 2009
1:30 PM - 5:30 PM
Portland Ballrooms 251/258

Presentations

• 1:30 PM
  TOWARD SEASONAL CLIMATE RECONSTRUCTIONS USING TROPICAL ISOTOPE DENDROCLIMATOLOGY
  Kevin J. Anchukaitis, Columbia University, Palisades, NY and Michael N. Evans, University of Maryland, College Park, MD
  165450 (Technical Sessions)
• 1:45 PM
  AN EASY PATH FROM PRECIPITATION AMOUNT TO δ18O VALUES IN THE SPINES OF COLUMNAR CACTUSES, CARNEGIEA GIGANTEA
  Nathan B. English, Los Alamos National Laboratory, Los Alamos, NM and Dustin Bronson, University of Wyoming, Laramie, WY and David L. Dettman, University of Arizona, Tucson, AZ and Mark Trees, University of Arizona, Tucson, AZ and David G. Williams, University of Wyoming, Laramie, WY
  166995 (Technical Sessions)
• 2:00 PM
  UNDERSTANDING SPELEOTHEM δ13C VARIABILITY USING 14C AT MOANING CAVE, CALIFORNIA
  Jessica Oster, University of California, Davis, Davis, CA and Isabel Montanez, University of California, Davis, CA and Warren D. Sharp, Berkeley, CA and Thomas P. Guilderson, Lawrence Livermore National Laboratory, LIvermore, CA
  166215 (Technical Sessions)
• 2:15 PM
  ASSESSING POTENTIAL SEASONAL PALEOCLIMATE SIGNALS IN A LATE PLEISTOCENE STALAGMITE FROM CENTRAL TEXAS
  Mark W. Hagemann, Carleton College, Northfield, MN and Jay L. Banner, the University of Texas at Austin, Austin, TX and MaryLynn Musgrove, Oklahoma-Texas Water Science Center, Austin, TX
  166819 (Technical Sessions)
• 2:30 PM
  OXYGEN ISOTOPE TRENDS AND INTERPRETED PALEOCLIMATE CHANGES ACROSS THE LATE CAMBRIAN POSITIVE CARBON ISOTOPE EXCURSION (SPICE EVENT)
  Maya Elrick, University of New Mexico, Albuquerque, NM and Sarah Rieboldt, Field Museum of Natural History, Chicago, IL and Matt Saltzman, The Ohio State University, Columbus, OH and Robert McKay, Iowa Department of Natural Resources, Iowa City, IA and Anthony C. Runkel, Minneapolis, MN
  162570 (Technical Sessions)
• 2:45 PM
  DIFFERENTIAL GEOCHEMICAL RESPONSE DURING TWO LATE DEVONIAN MASS EXTINCTION PULSES: IMPLICATIONS FOR GLOBAL CHANGE
  Joshua H. Payne, Shell Exploration and Production Co, Houston, TX and Michael T. Whalen, University of Alaska Fairbanks, Fairbanks, AK and James E. Day, Illinois State University, Normal, IL
  164618 (Technical Sessions)
• 3:15 PM
  THE CENOMANIAN/TURONIAN OCEANIC ANOXIC EVENT IN THE RAZZAK #7 OIL WELL, NORTH WESTERN DESERT, EGYPT: PALYNOFACIES AND ISOTOPE ANALYSES
  Mohamed Zobaa, Missouri University of Science and Technology, Rolla, MO and Francisca E. Oboh-Ikuenobe, Missouri University of Science and Technology, Rolla, MO and Mohamed I. Ibrahim, Alexandria University, Alexandria, N/A and Kristen Arneson, Missouri University of Science and Technology, Rolla, MO and Cassandra Browne, Missouri University of Science and Technology, Rolla, MO and Suzan Kholeif, National Institute of Oceanography and Fisheries, Alexandria, N/A
  163948 (Technical Sessions)
• 3:30 PM
  HIGH RESOLUTION ISOTOPIC RECORD OF C4 PHOTOSYNTHESIS OF A MID-MIOCENE GRASSLAND
  Jennifer M. Cotton, University of Michigan, Ann Arbor, MI and Nathan D. Sheldon, University of Michigan, Ann Arbor, MI
  162833 (Technical Sessions)
• 3:45 PM
  A 7 MA RECORD OF ATMOSPHERIC δ13CO2 DERIVED FROM ORGANIC MATTER IN LATE CRETACEOUS AND EARLY TERTIARY PAELOSOLS
  Steve I. Dworkin, Baylor University, Waco, TX and Lee C. Nordt, Baylor University, Waco, TX and Stacy Atchley, Baylor University, Waco, TX
  165418 (Technical Sessions)
• 4:00 PM
  GEOCHEMICAL EVIDENCE FOR LATE HOLOCENE MULTIDECADAL-CENTENNIAL PALEOCLIMATIC AND PALEOCEANOGRAPHIC VARIABILITY IN AN ANOXIC BASIN, COASTAL BRITISH COLUMBIA
  Lamidi Olabode Babalola, Carleton University, Ottawa, ON and R. Timothy Patterson, Carleton University, Ottawa, ON and Andreas Prokoph, Carleton University, Ottawa, ON
  160498 (Technical Sessions)
• 4:15 PM
  USING MG/CA AS A TRACER FOR “OCEAN ACIDIFICATION” IN RECENT MARINE SEDIMENTS FROM THE GREAT BARRIER REEF
  Bradley N. Opdyke, The Australian National University, Canberra, ACT, N/A and Merinda Nash, National Museum of Natural History, Smithsonian Institution, Washington, DC and Sarah Tynan, The Australian National University, Canberra, ACT, N/A
  165045 (Technical Sessions)
• 4:30 PM
  CHARACTERIZATION OF NITROGEN IN GEOLOGICAL ORGANIC MATTER SAMPLES USING ADVANCED SOLID-STATE NMR SPECTROSCOPY
  Jingdong Mao, Old Dominion University, Norfolk, VA and Klaus Schmidt-Rohr, Iowa State University, Ames, IA
  165677 (Technical Sessions)