U51A:
The Carbon Cycle on Annual to Millennial Timescales

Friday, 19 December 2014: 8:00 AM-10:00 AM
Chairs:  Shaun A Marcott, Oregon State Univ, Corvallis, OR, United States; University of Wisconsin Madison, Madison, WI, United States and James W C White, Univ Colorado, Boulder, CO, United States
Primary Conveners:  Shaun A Marcott, Oregon State Univ, Corvallis, OR, United States; University of Wisconsin Madison, Madison, WI, United States
Co-conveners:  Thomas K Bauska1, Edward Brook1 and James W C White2, (1)Oregon State Univ, Corvallis, OR, United States(2)Univ Colorado, Boulder, CO, United States
OSPA Liaisons:  Edward Brook, Oregon State Univ, Corvallis, OR, United States

Abstracts Submitted to this Session:

8:00 AM
 
Introductory Remarks
8:01 AM
U51A-01
 
Human Domination of Today's Carbon Cycle
Pieter P Tans, NOAA/Earth System Research Lab, Boulder, CO, United States
8:18 AM
U51A-02
 
What have we learned from “top-down” inferences of surface CO2 fluxes?
Inez Y Fung, Univ California Berkeley, Berkeley, CA, United States
8:35 AM
U51A-03
 
Diagnosing Carbon-Climate Feedbacks in the Contemporary Carbon Cycle
Ashley P Ballantyne1, William Anderegg2, David R Bowling3, William K Smith1, John B Miller4, James W C White5 and Pieter P Tans6, (1)University of Montana, Missoula, MT, United States, (2)Princeton University, Princeton, NJ, United States, (3)University of Utah, Biology, Salt Lake City, UT, United States, (4)NOAA/ESRL, Boulder, CO, United States, (5)Univ Colorado, Boulder, CO, United States, (6)NOAA/Earth System Research Lab, Boulder, CO, United States
8:52 AM
U51A-04
 
Emergent Constraints on Climate-Carbon Cycle Feedbacks
Peter Michael Cox1, Sabrina Wenzel2, Veronika Eyring2, Pierre Friedlingstein1 and Chris Huntingford3, (1)University of Exeter, Exeter, United Kingdom, (2)German Aerospace Center DLR Wessling - DLR, Wessling, Germany, (3)Centre for Ecology and Hydrology, Wallingford, United Kingdom
9:09 AM
U51A-05
 
Atmospheric CO2 Reconstructions from Polar Ice: What Do High-Resolution CO2 Records and δ13CO2 Analyses Tell Us about Past Climate and Global Carbon Cycle Processes?
Jochen Schmitt1, Sarah Eggleston1, Shaun A Marcott2, Edward Brook3, Jerome Aime Chappellaz4, Peter Köhler5, Fortunat Joos1 and Hubertus Fischer1, (1)University of Bern, Bern, Switzerland, (2)Oregon State University, Corvallis, OR, United States, (3)Oregon State Univ, Corvallis, OR, United States, (4)LGGE, St Martin d Heres, France, (5)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany
9:26 AM
U51A-06
 
Carbon isotopes support Atlantic Meridional Overturning Circulation decline as a trigger for early deglacial CO2 rise
Andreas Schmittner, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States and David C Lund, University of CT at Avery Point, Groton, CT, United States
9:43 AM
U51A-07
 
Southern Ocean biogeochemical control of glacial/interglacial carbon dioxide change
Daniel Mikhail Sigman, Princeton University, Princeton, NJ, United States
 
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