PP44A:
Observations and Dynamics of Deglaciations II

Thursday, 18 December 2014: 4:00 PM-6:00 PM
Chairs:  William H.G. Roberts, University of Bristol, Bristol, BS8, United Kingdom, Guleed Ali, Columbia University of New York, Palisades, NY, United States, Kyle Armour, Massachusetts Institute of Technology, Dept of Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States and Anna L C Hughes, University of Bergen, Bergen, Norway
Primary Conveners:  William H.G. Roberts, University of Bristol, Bristol, BS8, United Kingdom
Co-conveners:  Guleed Ali, Columbia University of New York, Palisades, NY, United States, Kyle Armour, Massachusetts Institute of Technology, Cambridge, MA, United States and Anna L C Hughes, University of Bergen, Bergen, Norway
OSPA Liaisons:  Anna L C Hughes, University of Bergen, Bergen, Norway

Abstracts Submitted to this Session:

4:00 PM
PP44A-01
 
Coherent Changes of Northern and Eastern Equatorial Africa Rainfall during the Last Deglaciation
Bette L Otto-Bliesner, National Center for Atmospheric Research, Boulder, CO, United States, James M Russell, Brown University, Providence, RI, United States, Peter U Clark, Oregon State University, Corvallis, OR, United States, Zhengyu Liu, Univ Wisconsin Madison, Madison, WI, United States, Jonathan T Overpeck, University of Arizona, Tucson, AZ, United States, Bronwen L Konecky, Georgia Institute of Technology Main Campus, Atlanta, GA, United States, Peter B deMenocal, Lamont-Doherty Earth Obs, Palisades, NY, United States, Sharon E Nicholson, Florida State University, Tallahassee, FL, United States, Feng He, Center for Climatic Research, Madison, WI, United States and Zhengyao Lu, Peking University, Beijing, China
4:15 PM
PP44A-02
 
Decoupled Changes in Western Niger Delta Primary Productivity and Niger River Discharge Across the Last Deglacial
Andrew O Parker1, Matthew W Schmidt1, Niall C. Slowey1, Zane R Jobe2 and Franco Marcantonio1, (1)Texas A&M University, College Station, TX, United States, (2)Shell, Houston, TX, United States
4:30 PM
PP44A-03
 
Penultimate Deglacial Dust Fluxes in the Equatorial Pacific: Implications for ITCZ Movement and a Common Mechanism for Glacial Terminations
Allison W Jacobel1, Jerry F McManus1, Robert F Anderson2 and Gisela Winckler1, (1)Columbia University & Lamont-Doherty Earth Observatory, Palisades, NY, United States, (2)Lamont-Doherty Earth Observatory, Palisades, NY, United States
4:45 PM
PP44A-04
 
Dynamics of Glacial Terminations Simulated By a Coupled Ice-Sheet-Earth System Model
Axel Timmermann, IPRC-SOEST, Honolulu, HI, United States, Malte Heinemann, University of Hawaii at Manoa, Honolulu, HI, United States, David Pollard, Pennsylvania State University, University Park, PA, United States, Ayako Abe-Ouchi, University of Tokyo, Bunkyo-ku, Japan and Fuyuki Saito, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan
5:00 PM
PP44A-05
 
Heat Storage in the Deep Ocean as a Capacitor to Explain Deglaciations.
Jess F Adkins and Nivedita Thiagarajan, California Institute of Technology, Pasadena, CA, United States
5:15 PM
PP44A-06
 
Late Circulation Response in the Deep Southwest Atlantic during Termination I
David C Lund, University of CT at Avery Point, Groton, CT, United States, Allyson C Tessin, University of Michigan Ann Arbor, Ann Arbor, MI, United States and Andreas Schmittner, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States
5:30 PM
PP44A-07
 
Mid-ocean ridge bathymetry records past variations in sea level: evidence from spectral analysis of abyssal hills and implications for 100 ky glacial cycles.
Peter J Huybers, Harvard University, Cambridge, MA, United States, Suzanne M Carbotte, Lamont-Doherty Earth Obs, Palisades, NY, United States, Richard F Katz, University of Oxford, Oxford, United Kingdom and Charles H Langmuir, Harvard Univ, Cambridge, MA, United States
5:45 PM
PP44A-08
 
Interglacial Climate from Deglaciation to Glacial Inception
Jerry F McManus1, Dominique Raynaud2, Polychronis C Tzedakis3, Eric W Wolff4, Qiuzhen Yin5, Katy Pol6, Luke Cameron Skinner4, Michel Crucifix7, David A Hodell4, Andre Berger7, Andrey Ganopolski8, Bette L Otto-Bliesner9 and Clara Mangili10, (1)Columbia U. / LDEO, Palisades, NY, United States, (2)LGGE Laboratoire de Glaciologie et Géophysique de l’Environnement, Saint Martin d'Hères, France, (3)University College London, London, United Kingdom, (4)University of Cambridge, Cambridge, United Kingdom, (5)Université Catholique de Louvain, 1. Georges Lemaître Centre for Earth and Climate Research, Earth and Life Institute, Louvain-La-Neuve, Belgium, (6)NERC British Antarctic Survey, Cambridge, United Kingdom, (7)Université Catholique de Louvain, Louvain-La-Neuve, Belgium, (8)Potsdam Institute for Climate Impact Research, Potsdam, Germany, (9)National Center for Atmospheric Research, Boulder, CO, United States, (10)University of Geneva, Earth and Environmental Sciences,, Geneva, Switzerland
 
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