PP52B:
Terrestrial Climate during Greenhouse Periods I

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Session ID#: 18014

Session Description:
Terrestrial environments possess powerful feedback mechanisms that help regulate global climate through their impacts on the carbon cycle, surface albedo, and the hydrological cycle. This session aims to bring together diverse proxy data and model studies that can provide insights into the terrestrial nexus of carbon, water, and climate during greenhouse periods such as the Cretaceous and Paleogene. Topics include, but are not limited to, the hydrological, past terrestrial temperature states and gradients, response of vegetation, soils, and biogeochemical element cycles to warming and hydrologic change, and insights into land-ocean interactions during greenhouse periods. We welcome a range of contributions, from those focusing on terrestrial systems during geological sharp perturbation of the climate system, such as the PETM and Cretaceous OAEs, as well as during less rapidly paced climate variability on a warm planet.
Primary Convener:  Bernhard David Naafs, University of Bristol, School of Earth Sciences and School of Chemistry, Bristol, United Kingdom
Conveners:  Allison A Baczynski, Pennsylvania State University Main Campus, University Park, United States, Katherine H Freeman, Pennsylvania State University, Department of Geosciences, University Park, United States and Dan John Lunt, University of Bristol, BRIDGE, School of Geographical Sciences, Bristol, BS8, United Kingdom
Chairs:  Allison A Baczynski, Pennsylvania State University Main Campus, University Park, United States, Katherine H Freeman, Pennsylvania State University, Department of Geosciences, University Park, United States and Dan John Lunt, University of Bristol, BRIDGE, School of Geographical Sciences, Bristol, BS8, United Kingdom
OSPA Liaison:  Allison A Baczynski, Pennsylvania State University Main Campus, University Park, United States

Cross-Listed:
  • B - Biogeosciences
  • EP - Earth and Planetary Surface Processes
  • GC - Global Environmental Change
Index Terms:

4912 Biogeochemical cycles, processes, and modeling [PALEOCEANOGRAPHY]
4914 Continental climate records [PALEOCEANOGRAPHY]
4928 Global climate models [PALEOCEANOGRAPHY]
4948 Paleocene/Eocene thermal maximum [PALEOCEANOGRAPHY]

Abstracts Submitted to this Session:

Water isotope tracers of tropical hydroclimate in a warming world (Invited) (167523)
Dr. Bronwen L Konecky, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States; Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, David Noone, University of Auckland, Department of Physics, Auckland, New Zealand, Jesse M Nusbaumer, National Center for Atmospheric Research, Boulder, United States, Kim M Cobb, Georgia Institute of Technology, Earth and Atmospheric Sciences, Atlanta, GA, United States, Pedro N DiNezio, University of Hawaii at Manoa, Honolulu, HI, United States and Bette L Otto-Bliesner, NSF National Center for Atmospheric Research, Boulder, United States
Combined and isolated effects of pCO2 and soil water content on carbon isotope discrimination during C3 photosynthesis (140865)
Brian Schubert, University of Louisiana at Lafayette, School of Geosciences, Lafayette, United States and A. Hope Jahren, University of Oslo, Centre for Earth Evolution and Dynamics, Oslo, Norway
The terrestrial hydro-climate of the Early Eocene: insights from the oxygen and clumped isotope composition of pedogenic siderite (172945)
Joep van Dijk1, Alvaro Fernandez1, Inigo Müller1, Timothy S. White2 and Stefano M Bernasconi1, (1)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (2)Pennsylvania State University Main Campus, Earth and Environmental Systems Institute, University Park, PA, United States
Continental temperatures through the early Eocene in western central Europe (172026)
Gordon Neil Inglis1, Margaret E Collinson2, Walter Riegel3, Volker Wilde3, Alexander Farnsworth4, Dan John Lunt5, Brittany Robson2, Andrew C. Scott2, Olaf Lenz6 and Richard Pancost1, (1)University of Bristol, Organic Geochemistry Unit, School of Chemistry, Bristol, United Kingdom, (2)Royal Holloway University of London, Egham, United Kingdom, (3)Senckenberg, Frankfurt, Germany, (4)University of Bristol, Bristol, United Kingdom, (5)University of Bristol, School of Geographical Sciences, Bristol, BS8, United Kingdom, (6)Darmstadt University of Technology, Darmstadt, Germany
Biophysical Feedbacks as Amplifiers for Past Greenhouse Climates (Invited) (119156)
Jeffrey Theodore Kiehl, UC Santa Cruz, Department of Earth & Planetary Sciences, Santa Cruz, CA, United States and Christine A Shields, National Center for Atmospheric Research, Boulder, CO, United States
Fire and ecosystem change in the Arctic across the Paleocene-Eocene Thermal Maximum (141709)
Elizabeth H Denis, Pacific Northwest National Laboratory, Richland, WA, United States, Nikolai Pedentchouk, University of East Anglia, Norwich, NR4, United Kingdom, Stefan Schouten, Royal Netherlands Institute for Sea Research, Department of Marine Microbiology and Biogeochemistry, Texel, Netherlands, Mark Pagani, Yale University, Department of Geology and Geophysics, New Haven, CT, United States and Katherine H Freeman, Pennsylvania State University, Department of Geosciences, University Park, United States
The PETM in the coastal ocean: changes in redox, productivity, and organic matter sources recorded in mid-Atlantic sediments (184962)
Shelby L Lyons1, Allison A Baczynski1, Jamie Vornlocher2 and Katherine H Freeman3, (1)Pennsylvania State University Main Campus, University Park, PA, United States, (2)SUNY College at New Paltz, Geology, New Paltz, NY, United States, (3)Pennsylvania State University, Department of Geosciences, University Park, United States
Biodiversity of Terrestrial Vegetation during Past Warm Periods (148000)
Taraka Davies-Barnard1, Paul J Valdes1 and Andy Ridgwell2, (1)University of Bristol, Bristol, United Kingdom, (2)University of California, Department of Earth Sciences, Riverside, CA, United States

See more of: Paleoceanography and Paleoclimatology