Past Ocean's Mode and Intermediate Water Variability II

Monday, 15 December 2014: 1:40 PM-3:40 PM
Chairs:  Dirk Nuernberg, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany and Leopoldo Pena, Lamont -Doherty Earth Observatory, Palisades, NY, United States
Primary Conveners:  Dirk Nuernberg, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Co-conveners:  Leopoldo Pena1, Matthew W Schmidt2 and Andrew O Parker2, (1)Lamont Doherty Earth Observatory of Columbia Univeristy, Palisades, NY, United States(2)Texas A&M University, College Station, TX, United States
OSPA Liaisons:  Matthew W Schmidt, Texas A & M University, College Station, TX, United States

Abstracts Submitted to this Session:

1:40 PM
Deglacial Evolution of Atlantic Mid-Depth and Intermediate-Depth Water Variability
Delia Oppo1, Geoffrey Gebbie2, Kuo-Fang Huang3, Weifu Guo2, Andreas Schmittner4, Zhengyu Liu5 and William B Curry6, (1)WHOI, Geology and Geophysics, Woods Hole, United States, (2)Woods Hole Oceanographic Inst., Woods Hole, MA, United States, (3)Academia Sinica, Institute of Earth Sciences, Taipei, Taiwan, (4)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (5)Univ Wisconsin Madison, Madison, WI, United States, (6)Bermuda Institute of Ocean Sciences, St.George's, Bermuda
1:55 PM
AMOC Evolution in the Last Deglaciation: Forcing Mechanism, Thermohaline Instability and Implications
Zhengyu Liu1, Wei Liu2,3, Jiang Zhu1 and Esther C Brady4, (1)Univ Wisconsin Madison, Madison, WI, United States, (2)UW-Madison, Madison, WI, United States, (3)Scripps Institution of Oceanography, La Jolla, La Jolla, CA, United States, (4)National Center for Atmospheric Research, Boulder, Boulder, CO, United States
2:10 PM
Deglacial Ocean Circulation Scheme at Intermediate Depths in the Tropical North Atlantic
Ruifang C. Xie, Texas A&M University, Geology & Geophysics, College Station, TX, United States; Max Planck Institute for Chemistry, Mainz, Germany, Franco Marcantonio, Texas A&M University, College Station, TX, United States and Matthew W Schmidt, other, College Station, TX, United States
2:25 PM
North Atlantic intermediate water silicic acid during deglaciation: where do you come from, where do you go?
Katharine R Hendry, Cardiff University, Cardiff, United Kingdom; University of Bristol, Earth Sciences, Bristol, United Kingdom, Jennifer Pike, Cardiff University, Cardiff, CF24, United Kingdom, Jerry F McManus, Columbia U. / LDEO, Palisades, NY, United States and Laura F Robinson, University of Bristol, Bristol, United Kingdom
2:40 PM
In Pursuit of the Mystery Reservoir: Marine Radiocarbon Evidence from the Eastern Tropical Pacific for a Deglacial CO2 Source
Samantha Claudia Bova, Brown University, Providence, RI, United States and Timothy Herbert, Brown Univ, Providence, RI, United States
2:55 PM
Millennial-Scale Variability in the Indian Monsoon and Links to Ocean Circulation
Kimberly Anne DeLong1, Rosemarie E Came1, Joel E Johnson1 and Liviu Giosan2, (1)University of New Hampshire, Dept. of Earth Sciences, Durham, NH, United States, (2)Woods Hole Oceanographic Inst, Woods Hole, MA, United States
3:10 PM
Pleistocene dynamics of the Pacific South Equatorial Countercurrent
Jacek Raddatz1, Dirk Nuernberg1, Nadine Rippert2 and Ralf Tiedemann2, (1)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany
3:25 PM
Climate and Antartic Intermediate Water Covariations on Centennial-Millennial Timescales during MIS 3—Constraining the Role of the “Oceanic Tunnel” in Abrupt Climate Change.
Helga Flesche Kleiven and Ulysses Ninnemann, University of Bergen, Department of Earth Science and the Bjerknes Centre for Climate Research, Bergen, Norway