PP52A:
Climate of the Common Era III

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Session ID#: 17407

Session Description:
This session highlights recent work on all aspects of the climate of the last 2000 years (the Common Era), using new proxy records, data syntheses, reconstruction methodologies, proxy system modeling, and paleoclimate model simulations. Contributions that combine several of the above areas or that focus on developing improved quantitative estimates of uncertainty are particularly welcome.  The session will emphasize improved estimates of past climate variability and associated atmosphere-ocean dynamics over the Common Era.  New means of observing and reconstructing climate, as well as model-data comparisons over the Common Era that focus on regional or global-scale climate variability at resolutions of seasons to centuries are encouraged.
Primary Convener:  Jason E Smerdon, Lamont-Doherty Earth Observatory, Palisades, NY, United States
Conveners:  Kevin J. Anchukaitis, University of Arizona, Laboratory of Tree-Ring Research, Tucson, AZ, United States, Kim M Cobb, Georgia Institute of Technology, Earth and Atmospheric Sciences, Atlanta, GA, United States and Edward R Cook, Lamont-Doherty Earth Observatory, Tree-Ring Laboratory, Palisades, NY, United States
Chairs:  Edward R Cook, Lamont-Doherty Earth Observatory, Tree-Ring Laboratory, Palisades, NY, United States, Jason E Smerdon, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Kim M Cobb, Georgia Institute of Technology, Earth and Atmospheric Sciences, Atlanta, GA, United States and Kevin J. Anchukaitis, University of Arizona, Laboratory of Tree-Ring Research, Tucson, AZ, United States
OSPA Liaison:  Kim M Cobb, Georgia Institute of Technology, Earth and Atmospheric Sciences, Atlanta, GA, United States

Cross-Listed:
  • A - Atmospheric Sciences
  • GC - Global Environmental Change
Index Terms:

1620 Climate dynamics [GLOBAL CHANGE]
1630 Impacts of global change [GLOBAL CHANGE]
3305 Climate change and variability [ATMOSPHERIC PROCESSES]
4928 Global climate models [PALEOCEANOGRAPHY]

Abstracts Submitted to this Session:

Exceptional Shift to a Weaker Atlantic Meridional Overturning Circulation at the end of the Little Ice Age (177424)
David J Thornalley1, Delia Oppo2, Paola Moffa Sanchez3, Ian R Hall4, Lloyd D Keigwin5, Neil Rose1, Kitty Green6, Francesco Pallottino6, Pablo Ortega7 and Jon Robson7, (1)University College London, Dept. of Geography, London, United Kingdom, (2)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (3)Institute of Marine and Coastal Science, New Brunswick, NJ, United States, (4)Cardiff University, School of Earth and Environmental Sciences, Cardiff, CF24, United Kingdom, (5)Woods Hole Oceanographic Institution, Woods Hole, United States, (6)University College London, London, United Kingdom, (7)University of Reading, Reading, United Kingdom
A New Perspective on Atlantic Multidecadal Variability from the Last Millennial Reanalysis (160136)
Gregory J Hakim, University of Washington, Department of Atmospheric and Climate Science, Seattle, United States and Hansi Alice Singh, University of Washington Seattle Campus, Seattle, United States
Proxy surrogate reconstructions of Common Era Atlantic meridional overturning circulation (154526)
Casey Saenger, Western Washington University, Geology, Bellingham, United States and Michael N Evans, University of Edinburgh, School of Geosciences, Edinburgh, United Kingdom
An Ice Core Perspective on Aleutian Low Variability over the Common Era (197258)
Erich C Osterberg1, Dominic Winski1, Karl J Kreutz2, Cameron P Wake3, David G Ferris Mr.4, Seth Campbell5 and Douglas Introne6, (1)Dartmouth College, Department of Earth Sciences, Hanover, United States, (2)University of Maine, School of Earth and Climate Sciences, Orono, ME, United States, (3)University of New Hampshire, Institute for the Study of Earth, Oceans, and Space, Durham, United States, (4)Dartmouth College, Department of Earth Sciences, Hanover, NH, United States, (5)U.S. Army Cold Regions Research and Engineering Laboratory, Hanover, NH, United States, (6)University of Maine, Orono, United States
Reconstruction of Monsoon Driven South China Sea Surface Ocean Circulation using Coral Δ14C (118477)
Nathalie Goodkin1, Annette Bolton1, Kristopher B Karnauskas2, Konrad A Hughen2, Sheila Griffin3 and Ellen R M Druffel4, (1)Nanyang Technological University, Earth Observatory of Singapore, Singapore, Singapore, (2)Woods Hole Oceanographic Institution, Woods Hole, United States, (3)University of California Irvine, Irvine, CA, United States, (4)University of California Irvine, Department of Earth System Science, Irvine, CA, United States
Last Millennium External Forcing Undetectable in Coral Records of Central Pacific Climate (182760)
Julien Emile-Geay, University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States, Sylvia Dee, Rice University, Department of Earth, Environmental and Planetary Sciences, Houston, TX, United States, Kim M Cobb, Georgia Institute of Technology, Earth and Atmospheric Sciences, Atlanta, GA, United States and Toby Ault, Cornell University, Department of Earth and Atmospheric Science, Ithaca, NY, United States
A Coral-based Reconstruction of Interannual Climate Variability at Vanuatu during the Medieval Climate Anomaly (950-1250 CE) (134105)
Allison E Lawman1, Terrence M Quinn2, Judson Wiley Partin2, Frederick W Taylor3, Kaustubh Thirumalai4, Chung-Che WU5 and Chun-Yuan Huang5, (1)University of Texas at Austin, Institute for Geophysics, Jackson School of Geosciences, Austin, TX, United States, (2)University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, (3)Institute for Geophysics, University of Texas at Austin, Institute for Geophysics, Austin, United States, (4)University of Texas at Austin, Department of Geosciences, Tucson, United States, (5)National Taiwan University, Department of Geosciences, Taipei, Taiwan
Two Centuries of Climate Variability From a Gulf of Papua Coral Confirms a Coherent, Widespread Multidecadal Signal (195410)
Julia E Cole, University of Arizona, Tucson, United States, Janice Lough, Australian Institute of Marine Science, Townsville, Australia, Emma Reed, University of Arizona, Department of Geosciences, Tucson, United States and Daniel P Schrag, Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States

See more of: Paleoceanography and Paleoclimatology