PP41F:
Unraveling Phanerozoic pCO2 and Global Temperature I

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Session ID#: 17476

Session Description:
Anthropogenic carbon emissions are unequivocally warming the Earth, but the resultant temperature increase is not well constrained. Paleoclimate studies may provide for improved predictions of long-term future warming by assessing climate sensitivity during times of global warmth. As these estimates require a precise and accurate history of global temperature and atmospheric carbon dioxide (CO2), this session will focus on the development and application of proxies to improve either or both of these reconstructions. We encourage submissions that advance our understanding of global or regional temperature and carbon cycle changes from any point in the Phanerozoic, with an emphasis on methodological improvements in reconstructions, multi-proxy applications or comparisons, evaluation of changes in boundary conditions, or modeling approaches.
Primary Convener:  Kelsey Dyez, Lamont -Doherty Earth Observatory, Palisades, United States
Conveners:  Baerbel Hoenisch, Columbia University of New York, Palisades, NY, United States, Dana L Royer, Wesleyan University, Department of Earth and Environmental Sciences, Middletown, CT, United States and Gabriel J Bowen, University of Utah, Geology & Geophysics, Salt Lake City, United States
Chairs:  Baerbel Hoenisch, Columbia University of New York, Palisades, NY, United States, Kelsey Dyez, Lamont -Doherty Earth Observatory, Palisades, United States and Gabriel J Bowen, University of Utah, Geology & Geophysics, Salt Lake City, United States
OSPA Liaison:  Kelsey Dyez, Lamont -Doherty Earth Observatory, Palisades, United States
Index Terms:

4914 Continental climate records [PALEOCEANOGRAPHY]
4924 Geochemical tracers [PALEOCEANOGRAPHY]
4930 Greenhouse gases [PALEOCEANOGRAPHY]
4954 Sea surface temperature [PALEOCEANOGRAPHY]

Abstracts Submitted to this Session:

Phanerozoic pCO2 recorded by the plants that used it: refinement, independent validation and multi-proxy comparison of a physiological model. (181488)
Peter Franks, University of Sydney, Sydney, NSW, Australia, Dana L Royer, Wesleyan University, Department of Earth and Environmental Sciences, Middletown, CT, United States, Jennifer Kowalczyk, Brown University, Department of Earth, Environmental and Planetary Sciences, Providence, United States and Joseph Milligan, Wesleyan University, Middletown, CT, United States
Is the Climatic Impact of Solar Luminosity Change Fortuitously Balanced by Paleogeographic Change over the last 300 million years? (Invited) (120116)
Dan John Lunt1, Alexander Farnsworth2 and Fran Bragg2, (1)University of Bristol, School of Geographical Sciences and Cabot Institute, Bristol, BS8, United Kingdom, (2)University of Bristol, Bristol, United Kingdom
A missing element of the deep carbon cycle: CO2 degassing estimates from rift length analysis during Pangea fragmentation (141293)
Carolina Pagli, Deutsches GeoForschungsZentrum GFZ, Potsdam, Germany, Simon Williams, University of Sydney, EarthByte Group, Sydney, Australia and Dietmar Müller, University of Sydney, EarthByte Group, Sydney, NSW, Australia
How strange was the Strangelove Ocean? New insights from Boron Isotopes. (199079)
Michael J Henehan, GFZ German Research Centre for Geosciences, Geochemistry of the Earth's surface, Potsdam, Germany, Andy Ridgwell, University of California, Department of Earth Sciences, Riverside, CA, United States, Ellen Thomas, Wesleyan University, Middletown, CT, United States; Yale University, Department of Geology and Geophysics, New Haven, United States, Shuang Zhang, Carnegie Institution for Science, Geophysical Laboratory, Washington, United States, Noah Planavsky, Yale University, Department of Earth and Planetary Sciences, New Haven, CT, United States, Laia Alegret, University of Zaragoza, Departamento de Ciencias de la Tierra & Instituto Universitario de Ciencias Ambientales, Zaragoza, Spain, Daniela N Schmidt, University of Bristol, School of Earth Sciences, Bristol, United Kingdom, James William Buchanan Rae, University of St Andrews, School of Earth and Environmental Sciences, St Andrews, KY16, United Kingdom, Gavin L Foster, University of Southampton, School of Ocean and Earth Science, Southampton, United Kingdom, Brian T Huber, National Museum of Natural History, Smithsonian Institution, Paleobiology, Washington, DC, United States and Pincelli M Hull, Yale University, Department of Earth & Planetary Sciences, New Haven, CT, United States
Eocene Temperature Evolution of the Tropical Atlantic Ocean (135558)
Marlow Cramwinckel1, Ilja Kocken2, Claudia Agnini3, Matthew Huber4, Robin van der Ploeg5, Joost Frieling2, Peter Bijl2, Francien Peterse6, Ursula Roehl7, Steven M Bohaty8, Stefan Schouten9 and Appy Sluijs5, (1)University of Southampton, Ocean and Earth Science, Southampton, United Kingdom, (2)Utrecht University, Earth Sciences, Utrecht, Netherlands, (3)University of Padua, Dipartimento di Geoscienze, Padua, Italy, (4)University of New Hampshire Main Campus, Durham, NH, United States, (5)Utrecht University, Utrecht, Netherlands, (6)Utrecht University, Department of Earth Sciences, Utrecht, Netherlands, (7)MARUM - University of Bremen, Bremen, Germany, (8)University of Heidelberg, Institute of Earth Sciences, Heidelberg, Germany, (9)Royal Netherlands Institute for Sea Research, Department of Marine Microbiology and Biogeochemistry, Texel, Netherlands
Multi-proxy Paleoclimate and CO2 Reconstruction from the Latest Middle Eocene Sedimentary Fill of a Subarctic Kimberlitic Maar Crater (189877)
Alberto Vicente Reyes, University of Alberta, Earth and Atmospheric Sciences, Edmonton, AB, Canada, Alexander P Wolfe, University of Alberta, Edmonton, AB, Canada, Dana L Royer, Wesleyan University, Department of Earth and Environmental Sciences, Middletown, CT, United States, David R Greenwood, Brandon University, Dept. of Biology, Brandon, MB, Canada, Jessica E Tierney, University of Arizona, Geosciences, Tucson, AZ, United States, Gabriela Doria, University of Cambridge, Cambridge, United Kingdom, Mary Gagen, Swansea University, Geography, Cardiff, CF5, United Kingdom, Peter Siver, Cornell College, Mt. Vernon, IA, United States and John Westgate, University of Toronto, Earth Sciences, Toronto, ON, Canada
Global warming and ocean acidification through halted weathering feedback during the Middle Eocene Climatic Optimum (129943)
Robin van der Ploeg1, David S Selby2, Marlow Cramwinckel3, Steven M Bohaty4, Appy Sluijs1 and Jack J Middelburg1, (1)Utrecht University, Utrecht, Netherlands, (2)Durham University, Department of Earth Sciences, Durham, United Kingdom, (3)University of Southampton, Ocean and Earth Science, Southampton, United Kingdom, (4)University of Heidelberg, Institute of Earth Sciences, Heidelberg, Germany
Polar Ice Sheets Drive Paleohydroclimate Affecting Terrestrial Plant Distribution and CO2 Exchange Potential during the Upper Carboniferous (189745)
Joseph D White, Baylor University, Department of Biology, Waco, TX, United States, Christopher J Poulsen, University of Michigan Ann Arbor, Earth and Environmental Sciences, Ann Arbor, MI, United States, Isabel P Montanez, University of California Davis, Institute of the Environment, Davis, CA, United States, Jennifer McElwain, Trinity College Dublin, Botany, Dublin, Ireland, Jonathan P Wilson, Haverford College, Department of Environmental Studies, Haverford, United States and Michael T Hren, University of Connecticut, Earth Sciences, Storrs, United States

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