PP44A:
Observations and Dynamics of Deglaciations II

Session ID#: 4598

Thursday, 18 December 2014: 4:00 PM-6:00 PM
2008 (Moscone West)
Chairs:  William H.G. Roberts, University of Bristol, Bristol, 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 Convener:  William H.G. Roberts, University of Bristol, Bristol, United Kingdom
Co-conveners:  Guleed Ali, Columbia University of New York, Palisades, NY, United States, Kyle Armour, Massachusetts Institute of Technology, Cambridge, United States and Anna L C Hughes, University of Bergen, Bergen, Norway
OSPA Liaison:  Anna L C Hughes, University of Bergen, Bergen, Norway
Co-Sponsor(s):
  • A - Atmospheric Sciences
  • C - Cryosphere
  • OS - Ocean Sciences
Index Terms:

0726 Ice sheets [CRYOSPHERE]
3344 Paleoclimatology [ATMOSPHERIC PROCESSES]
4901 Abrupt/rapid climate change [PALEOCEANOGRAPHY]
4926 Glacial [PALEOCEANOGRAPHY]
Virtual Option?: No

Abstracts Submitted to this Session:

PP44A-01
Coherent Changes of Northern and Eastern Equatorial Africa Rainfall during the Last Deglaciation (7991)
Bette L Otto-Bliesner, NSF National Center for Atmospheric Research, Boulder, United States, James M Russell, Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, United States, Peter U Clark, Oregon State University, Corvallis, OR, United States, Zhengyu Liu, The Ohio State University, Department of Geography, Columbus, United States, Jonathan T Overpeck, University of Arizona, Tucson, AZ, United States, Dr. Bronwen L Konecky, Washington University in St Louis, Earth, Environmental, and Planetary Sciences, St. Louis, United States, Peter B deMenocal, Lamont-Doherty Earth Observatory, Palisades, United States, Sharon E Nicholson, Florida State University, Tallahassee, FL, United States, Feng He, University of Wisconsin-Madison, Center for Climatic Research, Madison, United States and Zhengyao Lu, Peking University, Beijing, China
PP44A-02
Decoupled Changes in Western Niger Delta Primary Productivity and Niger River Discharge Across the Last Deglacial (12908)
Andrew O Parker1, Matthew W Schmidt1, Niall C. Slowey2, Zane R Jobe3 and Franco Marcantonio4, (1)Texas A&M University, College Station, TX, United States, (2)Texas A&M University, Oceanography, College Station, United States, (3)Colorado School of Mines, Geology and Geological Engineering, Golden, CO, United States, (4)Texas A&M University College Station, Geology and Geophysics, College Station, United States
PP44A-03
Penultimate Deglacial Dust Fluxes in the Equatorial Pacific: Implications for ITCZ Movement and a Common Mechanism for Glacial Terminations (4825)
Dr. 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, United States
PP44A-04
Dynamics of Glacial Terminations Simulated By a Coupled Ice-Sheet-Earth System Model (Invited) (2609)
Axel Timmermann, IPRC-SOEST, Honolulu, HI, United States, Malte Heinemann, University of Hawaii at Manoa, Honolulu, HI, United States, David Pollard, Pennsylvania State University, Earth and Environmental Systems Institute, University Park, PA, United States, Ayako Abe-Ouchi, University of Tokyo, Atmosphere and Ocean Research Institute, Bunkyo-ku, Japan and Fuyuki Saito, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan
PP44A-05
Heat Storage in the Deep Ocean as a Capacitor to Explain Deglaciations. (17550)
Jess F Adkins and Nivedita Thiagarajan, California Institute of Technology, Pasadena, CA, United States
PP44A-06
Late Circulation Response in the Deep Southwest Atlantic during Termination I (10270)
David C Lund, University of CT at Avery Point, Groton, United States, Allyson C Tessin, Kent State University Kent Campus, Kent, United States and Andreas Schmittner, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, United States
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. (Invited) (2742)
Peter J Huybers, Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States, Suzanne M Carbotte, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Richard F Katz, University of Oxford, Department of Earth Sciences, Oxford, United Kingdom and Charles H Langmuir, Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States
PP44A-08
Interglacial Climate from Deglaciation to Glacial Inception (25256)
Jerry F McManus1, Dominique Raynaud2, Polychronis C Tzedakis3, Eric W Wolff4, Qiuzhen Yin5, Katy Pol6, Luke Cameron Skinner4, Michel Crucifix7, David A Hodell8, Andre Berger5, Andrey Ganopolski9, Bette L Otto-Bliesner10, Clara Mangili11 and Members of the PAGES Working Group on Past Interglacials, (1)Columbia U. / LDEO, Palisades, United States, (2)Univ. Grenoble Alpes, CNRS, IRD, IGE, Saint Martin d'Hères, France, (3)University College London, London, United Kingdom, (4)University of Cambridge, Cambridge, United Kingdom, (5)Université Catholique de Louvain, 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)University of Cambridge, Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences, Cambridge, United Kingdom, (9)Potsdam Institute for Climate Impact Research, Potsdam, Germany, (10)NSF National Center for Atmospheric Research, Boulder, United States, (11)University of Geneva, Earth and Environmental Sciences,, Geneva, Switzerland
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