PP13B:
To Hose or Not to Hose: Mechanisms of Abrupt Climate Variability III Posters

Monday, 15 December 2014: 1:40 PM-6:00 PM
Chairs:  Jenna C Hill, Coastal Carolina University, Conway, SC, United States, Lukas Jonkers, Cardiff University, Cardiff, United Kingdom, Jeremy S Hoffman, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States and Stephen Barker, Cardiff University, Cardiff, CF24, United Kingdom
Primary Conveners:  Stephen Barker, Cardiff University, Cardiff, CF24, United Kingdom
Co-conveners:  Lukas Jonkers, Cardiff University, Cardiff, United Kingdom, Jenna C Hill, Coastal Carolina University, Conway, SC, United States and Jeremy S Hoffman, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States
OSPA Liaisons:  Jeremy S Hoffman, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States

Abstracts Submitted to this Session:

 
Rapid response of Arctic land ice during Dansgaard-Oeschger events and variation in water exchange between the Atlantic and Arctic oceans
Tine Lander Rasmussen, University of Tromsø, CAGE -Centre for Arctic Gas Hydrate, Environment and Climate, Tromsø, Norway and Erik Thomsen, Aarhus University, Geoscience, Aarhus, Denmark
 
Testing Massive Arctic Sea Ice Export as a Trigger for Abrupt Climate Change
Anthony John Coletti1, Alan Condron1 and Raymond S Bradley2, (1)Univ of Mass-Geosciences, Amherst, MA, United States, (2)Univ Massachusetts, Amherst, MA, United States
 
Orbital-Scale Cyclostratigraphy and Ice Volume Fluctuations from Arctic Ocean Sediments
Thomas M Cronin1, Rachel Marzen2 and Lauren H. DeNinno1, (1)U.S. Geological Survey, Reston, Virginia, USA, VA, United States, (2)Rice University, Houston, TX, United States
 
Sedimentological and Stratagraphic Evidence for a Catastrophic Flood Along the Beaufort Margin, Arctic Ocean
Shannon Klotsko, Scripps Institution of Oceanography, La Jolla, CA, United States, Neal W Driscoll, Scripps Institution of Oceanog, La Jolla, CA, United States and Lloyd D Keigwin, WHOI, Woods Hole, MA, United States
 
Cordilleran Ice Sheet meltwater delivery to the coastal waters of the northeast Pacific Ocean
Ingrid L Hendy, University of Michigan Ann Arbor, Geological Sciences, Ann Arbor, MI, United States, Meghan Taylor, University of Michigan, Ann Arbor, MI, United States, Joel H Gombiner, Columbia University of New York, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Sidney R Hemming, Lamont-Doherty Earth Observ, Palisades, NY, United States, Julia G Bryce, Univ New Hampshire, Durham, NH, United States and Janne Blichert-Toft, Ecole Normale Supérieure Lyon, Laboratoire de Géologie de Lyon, Lyon, France
 
Pathways of basal meltwater released from Antarctic ice shelves: A model study
Kazuya Kusahara, Institute of Low Temperature Science, Sapporo, Hokkaido, Japan and Hiroyasu Hasumi, Atmosphere and Ocean Research Institute, the University of Tokyo, Kashiwa, Japan
 
Heinrich 0 at the Younger Dryas Termination Offshore Newfoundland
Christof Pearce1,2, John T Andrews3, Anne E Jennings3, Ioanna Bouloubassi4, Marit-Solveig Seidenkrantz2, Antoon Kuijpers5 and Claude Hillaire-Marcel6, (1)Stockholm University, Department of Geological Sciences, Stockholm, Sweden, (2)Aarhus University, Department of Geoscience, Aarhus, Denmark, (3)Institute of Arctic and Alpine Research, Boulder, CO, United States, (4)LOCEAN, University P. M. Curie, Paris, Cedex 05, France, (5)Geological Survey of Denmark and Greenland, Copenhagen, Denmark, (6)University of Quebec at Montreal UQAM, Montreal, QC, Canada
 
A High-resolution Detrital and Oxygen Isotope Record from Flemish Pass, Labrador Sea
Elia deJesus1, Jeremy S Hoffman1, Peter U Clark1 and Alan C Mix2, (1)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (2)CEOAS, Oregon State University, Corvallis, OR, United States
 
Investigation of the Impact of a Heinrich-Event-like Abrupt Event Superimposed Onto the RCP 8.5 Scenario
Dimitri Defrance, Gilles Ramstein, Christophe Dumas and Sylvie Charbit, LSCE CEA/CNRS, Gif Sur Yvette, France
 
Gulf Stream-Subtropical Gyre Properties Across Two Dansgaard-Oeschger Cycles
Babette Hoogakker1, Mark Chapman2, Henry Elderfield3, I.N. Nicholas McCave1 and Jens Gruetzner4, (1)University of Oxford, Oxford, United Kingdom, (2)UEA, University of East Anglia, Norwich, United Kingdom, (3)University of Cambridge, Cambridge, United Kingdom, (4)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany
 
Magnitude of Changes in the Atlantic Overturning Circulation Associated with Dansgaard-Oeschger Cycles During Marine Isotope Stage 3
Matthias Prange1, Xiao Zhang2, Ute Merkel1 and Michael Schulz3, (1)MARUM - University of Bremen, Bremen, Germany, (2)Uni. Bremen, Bremen, Germany, (3)University of Bremen, Bremen, Germany
 
DECOUPLING OF NORTHERN NORTH ATLANTIC SEA SURFACE TEMPERATURE AND DEEP CIRCULATION DURING ABRUPT GLACIAL CLIMATE CHANGE
Lukas Jonkers1, Stephen Barker2 and Ian R Hall1, (1)Cardiff University, Cardiff, United Kingdom, (2)Cardiff University, Cardiff, CF24, United Kingdom
 
Millennial Scale Variability of the AMOC and its Link to Climate During the Holocene
David J Thornalley, University College London, London, United Kingdom, Delia Oppo, WHOI, Geology and Geophysics, Woods Hole, United States, Lloyd D Keigwin, WHOI, Woods Hole, MA, United States, Ian R Hall, Cardiff University, Cardiff, United Kingdom and Paola Moffa Sanchez, Institute of Marine and Coastal Science, New Brunswick, NJ, United States
 
Abrupt climate variability in the North Atlantic region: Did the icebergs do it?
Stephen Barker1, James Chen2, Xun Gong2, Lukas Jonkers1, Gregor Knorr3 and David J Thornalley4, (1)Cardiff University, Cardiff, CF24, United Kingdom, (2)Cardiff University, Cardiff, United Kingdom, (3)Alfred Wegener Institute, Bremerhaven, Germany, (4)University College London, London, United Kingdom
 
Abrupt Climate Transitions in an unforced Integration of CESM (Community Earth System Model)
Hannah Kleppin1, Markus Jochum1, Christine A Shields2 and Bette L Otto-Bliesner3, (1)Niels Bohr Institute - University of Copenhagen, Copenhagen, Denmark, (2)NCAR, Boulder, CO, United States, (3)National Center for Atmospheric Research, Boulder, CO, United States
 
Abrupt Intensification of ENSO Forced By Deglacial Ice-Sheet Retreat
Zhengyao Lu, Peking University, Beijing, China and Zhengyu Liu, Univ Wisconsin Madison, Madison, WI, United States
 
Did Variations in the Total Solar Irradiance affect the Greenland Ice Sheet during the Holocene? - A Model Study
Marianne Bügelmayer, Free University of Amsterdam, Amsterdam, Netherlands, Didier M Roche, Vrije Universiteit Amsterdam, Amsterdam, Netherlands; LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France and Hans Renssen, Free University of Amsterdam, Amsterdam, 1081, Netherlands
 
Heat waves connect abrupt polar climate changes during the past 67ka: evidence from sediment core GeoB3912-1
Xiao Yang and Jose A Rial, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
 
Persistent Intermediate Water Warming during Cold Stadials in the SE Nordic Seas during the Last 65 Kyr
Mohamed Ezat1, Tine Lander Rasmussen1 and Jeroen Groeneveld2, (1)University of Tromsø, CAGE -Centre for Arctic Gas Hydrate, Environment and Climate, Tromsø, Norway, (2)MARUM - University of Bremen, Bremen, Germany
 
Outer-core Azimuthal Flow and the 1470-year Periodicity of the Dansgaard-Oeschger Cycle
Erwin Van Nieuwenhuyse, US Department of Interior, Herndon, VA, United States
 
Re-visiting Bonaparte Gulf: Assessment of Sea-Level Lowstand in the Last Glacial Maximum
Takeshige Ishiwa1,2, Yusuke Yokoyama1,2, Yosuke Miyairi1, Stephen Obrochta1, Takenori Sasaki2, Atsushi Suzuki3, Minoru Ikehara4, Ken Ikehara3, Katsunori Kimoto5, Julien Bourget6 and Hiroyuki Matsuzaki2, (1)AORI, The University of Tokyo, Kashiwa-Shi, Chiba, Japan, (2)University of Tokyo, Bunkyo-ku, Japan, (3)AIST - National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan, (4)University of Kochi, Kochi, Japan, (5)Japan Agency for Marine-Earth Science & Technology, Yokosuka, Japan, (6)University of Western Australia, Crawley, WA, Australia