PP22B:
Polar Oceans As Drivers of Glacial/Interglacial Atmospheric CO2 Concentrations I

Session ID#: 2365

Tuesday, 16 December 2014: 10:20 AM-12:20 PM
2010 (Moscone West)
Chairs:  Anja Studer, Princeton University, Princeton, NJ, United States and Haojia Abby Ren, Columbia University, Piermont, United States
Primary Convener:  Sam Jaccard, University of Bern, Institute of Geological Sciences & Oeschger Center for Climate Change Research, Bern, Switzerland
Co-Convener:  Anja Studer, Princeton University, Princeton, NJ, United States
OSPA Liaison:  Alfredo Martinez-Garcia, Max Planck Institute for Chemistry, Climate Geochemistry, Mainz, Germany
Co-Sponsor(s):
  • OS - Ocean Sciences
Index Terms:

4901 Abrupt/rapid climate change [PALEOCEANOGRAPHY]
4912 Biogeochemical cycles, processes, and modeling [PALEOCEANOGRAPHY]
4930 Greenhouse gases [PALEOCEANOGRAPHY]
4962 Thermohaline [PALEOCEANOGRAPHY]
Virtual Option?: No

Abstracts Submitted to this Session:

PP22B-01
Atmosphere-ocean interactions in the Pacific Southern Ocean (Invited) (4636)
Frank Lamy, Alfred Wegener Institute (AWI), Helmholtz Center for Polar and Marine Research, Bremerhaven, Germany, Rainer Gersonde, AWI Bremerhaven, Bremerhaven, Germany, Conor Purcell, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany; School of Earth and Ocean Sciences, Cardiff University, Cardiff, United Kingdom, Gisela Winckler, Lamont-Doherty Earth Observatory of Columbia University, Palisades, United States, Ralf Tiedemann, Alfred-Wegener-Institute, Bremerhaven, Germany and Gregor Knorr, Alfred Wegener Institute Helmholtz Center for Polar and Marine Research, Bremerhaven, Germany
PP22B-02
Boron Isotope Evidence for Oceanic CO2 Leakage During the Last Deglaciation (Invited) (4575)
Gavin L Foster, University of Southampton, School of Ocean and Earth Science, Southampton, United Kingdom, Miguel A. Martínez-Botí, University of Southampton, Southampton, United Kingdom, Gianluca Marino, Australian National University, Research School of Earth Sciences, Canberra, Australia, Patrizia Ziveri, Ph.D.., Universitat Autònoma de Barcelona, Institute of Environmental Science and Technology, Bellaterra, Spain, Michael J Henehan, GFZ German Research Centre for Geosciences, Geochemistry of the Earth's surface, Potsdam, Germany, James William Buchanan Rae, University of St Andrews, School of Earth and Environmental Sciences, St Andrews, KY16, United Kingdom, Graham Mortyn, Universitat Autònoma de Barcelona, Bellaterra, Spain and Derek Vance, ETH Swiss Federal Institute of Technology Zurich, Department of Earth and Planetary Sciences, Zurich, Switzerland
PP22B-03
Deglacial Atlantic Radiocarbon: A Southern Ocean Perspective (15242)
Gerald Hermann Haug1, Andrea Burke2, Jess F Adkins3, Tianyu Chen1 and Peter Spooner1, (1)University of Bristol, Bristol, United Kingdom, (2)University of St Andrews, School of Earth and Environmental Sciences, St Andrews, United Kingdom, (3)California Institute of Technology, Pasadena, CA, United States
PP22B-04
Climate sensitivity of the Antarctic ventilation (Invited) (5745)
Takamitsu Ito, Georgia Institute of Technology Main Campus, School of Earth and Atmospheric Sciences, Atlanta, United States and Jean Lynch-Stieglitz, Georgia Institute of Technology Main Campus, Atlanta, GA, United States
PP22B-05
A Stratification Boomerang: Nonlinear Dependence of Deep Southern Ocean Ventilation on PCO2 (10398)
Eric D Galbraith, McGill University, Earth and Planetary Sciences, Montreal, QC, Canada and Timothy M Merlis, McGill University, Montreal, QC, Canada
PP22B-06
Carbon cycle constraints during the last glacial/interglacial cycle derived from [CO2] and δ13Catm measurements from ice cores (15506)
Sarah Eggleston1, Jochen Schmitt2, Jerome Aime Chappellaz3, Fortunat Joos1 and Hubertus Fischer2, (1)University of Bern, Bern, Switzerland, (2)University of Bern, Climate and Environmental Physics and Oeschger Centre for Climate Research, Bern, Switzerland, (3)LGGE, St Martin d Heres, France
PP22B-07
A Millennial-Scale Reduction in Ventilation of the Deep South Atlantic During the Last Interglacial Period (16291)
Christopher T Hayes1, Alfredo Martinez-Garcia2, Adam Patrik Hasenfratz2, Sam Jaccard3, David A Hodell4, Daniel Mikhail Sigman5, Gerald Hermann Haug2 and Robert F Anderson6, (1)Massachusetts Institute of Technology, Earth Atmospheric and Planetary Sciences, Cambridge, MA, United States, (2)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (3)University of Bern, Institute of Geological Sciences & Oeschger Center for Climate Change Research, Bern, Switzerland, (4)University of Cambridge, Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences, Cambridge, United Kingdom, (5)Princeton University, Geosciences, Princeton, United States, (6)Lamont-Doherty Earth Observatory, Palisades, NY, United States
PP22B-08
A 400-kyr record of millennial-scale carbonate preservation events in the Southern Ocean: Implications for Atlantic Meridional Overturning Circulation and atmospheric CO2 (17725)
David A Hodell1, Maryline J Vautravers2, Steven Barker3, Christopher Charles4 and Simon Crowhurst2, (1)University of Cambridge, Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences, Cambridge, United Kingdom, (2)University of Cambridge, Cambridge, United Kingdom, (3)Cardiff University, School of Earth and Ocean Sciences, Cardiff, United Kingdom, (4)Scripps Institution of Oceanography, La Jolla, CA, United States
See more of: Paleoceanography and Paleoclimatology