PP12B:
To Hose or Not to Hose: Mechanisms of Abrupt Climate Variability II

Monday, 15 December 2014: 10:20 AM-12:20 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:

10:20 AM
 
Can dust drive abrupt climate change?
Amy C Clement, Lisa Murphy and Marlos P Goes, University of Miami, Miami, FL, United States
10:35 AM
 
The Role of the Tropics in Last Glacial Abrupt Climate Change from a West Antarctic Ice Core
Tyler R Jones1, James W C White2, Eric J. Steig3, Kurt M Cuffey4, Bruce H Vaughn5, Valerie A Morris5, Gkinis Vasileios6, Bradley R Markle3 and Spruce W Schoenemann3, (1)Institute of Arctic and Alpine Research, Boulder, CO, United States, (2)Institute of Arctic and Alpine Research, Geological Sciences, Boulder, CO, United States, (3)University of Washington, Seattle, WA, United States, (4)University of California Berkeley, Berkeley, CA, United States, (5)University of Colorado, Boulder, CO, United States, (6)Centre for Ice and Climate, Copenhagen, Denmark
10:50 AM
 
A New ╬ÁNd Record Covering Termination II
Emily Louise Deaney1, David J Thornalley2, Tina van de Flierdt3, Katharina Kreissig4 and Stephen Barker1, (1)Cardiff University, Cardiff, CF24, United Kingdom, (2)University College London, London, United Kingdom, (3)Imperial College London, London, SW7, United Kingdom, (4)Imperial College London, London, United Kingdom
11:05 AM
 

Antarctic contribution to meltwater pulse 1A from reduced Southern Ocean overturning

Nicholas R Golledge1, Laurie Menviel2, Lionel Carter1, Christopher Joseph Fogwill2, Matthew H England3, Giuseppe Cortese4 and Richard H Levy4, (1)Victoria University of Wellington, Antarctic Research Centre, Wellington, New Zealand, (2)University of New South Wales, Climate Change Research Centre, Sydney, NSW, Australia, (3)University of New South Wales, Sydney, Australia, (4)GNS Science, Lower Hutt, New Zealand
11:20 AM
 
Persistent teleconnection of North Atlantic and sub-Antarctic climate anomalies during the last glacial period
Luke Cameron Skinner1, Julia Gottschalk1, Sambuddha Misra1, Claire Waelbroeck2, Laurie Menviel3 and Axel Timmermann4, (1)University of Cambridge, Cambridge, United Kingdom, (2)CNRS, Paris Cedex 16, France, (3)University of New South Wales, Climate Change Research Centre, Sydney, NSW, Australia, (4)IPRC, University of Hawaii at Manoa, Honolulu, HI, United States
11:35 AM
 
Timing of Cordilleran Ice Rafting, Freshwater Discharge, and Implications for Subsurface Ventilation in the Northeast Pacific During the Last Deglaciation
Summer Praetorius1, Alan C Mix1, Fredrick G Prahl1, Matthew D Wolhowe1 and Maureen H Davies2, (1)Oregon State University, Corvallis, OR, United States, (2)The Australian National University, Canberra, Australia
11:50 AM
 
Deglacial floods in the Beaufort Sea
Lloyd D Keigwin, WHOI, Woods Hole, MA, United States and Neal W Driscoll, Scripps Institution of Oceanog, La Jolla, CA, United States