Appendix B

Workshop Agenda and Participants

AGENDA

Monday, May 5, 2008
9:00 Welcome Statement Dick Norris
 
9:30 PLENARY ADDRESS:  
  Simulating Earth’s Climate: Past, Present, & Future Jeff Kiehl
 
10:30 PLENARY ADDRESS:  
  Rapid Environmental Change and Feedbacks: Jim Zachos
  Lessons from Deep Time  
 
11:00-12:30 BREAKOUT I
 
Events and Transitions, Tipping Points, and Thresholds
 

Question 1: What evidence can we use to identify thresholds and tipping points in the geologic record?

 

Question 2: What are the best parts of the record to target—and what are the proxies to use—to describe and categorize thresholds and tipping points in the record? What are the nonlinear processes that determine critical “tipping points,” and are these processes well represented in climate models and in biota-climate models?

 


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Appendix B Workshop Agenda and Participants AGENDA Monday, May 5, 2008 9:00 Welcome Statement Dick Norris 9:30 PLENARY ADDRESS: Simulating Earth’s Climate: Past, Present, & Future Jeff Kiehl 10:30 PLENARY ADDRESS: Rapid Environmental Change and Feedbacks: Jim Zachos Lessons from Deep Time 11:00-12:30 BREAKOUT I Events and Transitions, Tipping Points, and Thresholds Question 1: What evidence can we use to identify thresholds and tipping points in the geologic record? Question 2: What are the best parts of the record to target—and what are the proxies to use—to describe and categorize thresholds and tipping points in the record? What are the nonlinear processes that determine critical “tipping points,” and are these processes well represented in climate models and in biota-climate models? 185

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186 APPENDIX B 1:30 PLENARY ADDRESS: Carbon Cycling and Climate Sensitivity Across the Richard Zeebe Paleocene-Eocene boundary 2:00-3:30 BREAKOUT II Coupling and Decoupling Climate Sensitivity Question 3: What physical and biogeochemical feedback processes are most important in determining the climate sensi- tivity to a large dynamic range of forcing? Question 4: What can deep-time records and models tell us about climate sensitivity? 4:00-5:30 BREAKOUT REPORTS—Questions 1-4 Tuesday, May 6, 2008 9:00 NSF Hopes and Expectations Rich Lane 9:30 PLENARY ADDRESS: Dinosaur Forecast—Cloudy! A Convective-Cloud Eli Tziperman Mechanism for Past Equable Climates and Its Role in Future Greenhouse Scenarios. 10:30-12:00 BREAKOUT III Alternative Worlds Question 5: What are the most poorly understood dynamics of past “alternative worlds,” and which “alternative world” intervals offer the greatest potential for un- derstanding future climates? Question 6: What kinds of proxy evidence do we need to advance understanding of the dominant processes that operate in these “alternative world” intervals? 1:00-2:30 BREAKOUT IV Implementation and Infrastructure Question 7: Describe the infrastructure that will be required to answer these questions?

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187 APPENDIX B Question 8: How do we improve interactions between deep-time data/model research? Question 9: What are the best options for additional paleoenviron- mental and geochronological proxies (e.g., biomarkers and isotopes of biomarkers)? 3:00-4:30 BREAKOUT REPORTS—Questions 5-9 4:30 Wrap-up and Thanks Dick Norris 5:00 Adjourn WORKSHOP PARTICIPANTS Thomas Algeo Department of Geology University of Cincinnati David Beerling Department of Animal and Plant Sciences University of Sheffield Karen Bice Department of Geology and Geophysics Woods Hole Oceanographic Institution Gabe Bowen Department of Earth & Atmospheric Sciences Purdue University Mark A. Chandler Center for Climate Systems Research Columbia University Goddard Institute for Space Studies Robert DeConto Department of Geosciences University of Massachusetts Harry Dowsett U.S. Geological Survey

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188 APPENDIX B Anthony R. de Souza Board on Earth Sciences and Resources National Research Council David Feary Board on Earth Sciences and Resources National Research Council Alexey Fedorov Department of Geology and Geophysics Yale University Christopher Fielding University of Nebraska-Lincoln Margaret Frasier Department of Geosciences University of Wisconsin-Milwaukee Katherine H. Freeman Department of Geosciences The Pennsylvania State University Linda Gundersen U.S. Geological Survey Patricia Jellison U.S. Geological Survey Kirk R. Johnson Denver Museum of Nature and Science Martin J. Kennedy Department of Earth Sciences University of California, Riverside Dennis V. Kent (NAS) Department of Geological Sciences Rutgers, The State University of New Jersey Jeffrey T. Kiehl National Center for Atmospheric Research

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189 APPENDIX B H. Richard Lane National Science Foundation Timothy Lyons Department of Earth Sciences University of California, Riverside Isabel P. Montañez Geology Department University of California, Davis Thomas Moore PaleoTerra Richard D. Norris Scripps Institution of Oceanography University of California, San Diego Paul Olsen (NAS) Lamont-Doherty Earth Observatory Columbia University Mark Pagani Department of Geology and Geophysics Yale University Martin Perlmutter Chevron Energy Technology Company Christopher Poulsen Department of Geological Sciences University of Michigan A. Christina Ravelo Department of Ocean Sciences University of California, Santa Cruz Greg Ravizza Department of Geology and Geophysics University of Hawaii at Manoa

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190 APPENDIX B Nicholas Rogers Board on Earth Sciences and Resources National Research Council David Rowley Department of the Geophysical Sciences University of Chicago Dana Royer Department of Earth and Environmental Sciences Wesleyan University Nathan Sheldon Department of Geological Sciences University of Michigan Christine Shields Climate Change Research National Center for Atmospheric Research Linda Sohl Center for Climate Systems Research Columbia University Lynn Soreghan College of Earth and Energy School of Geology and Geophysics University of Oklahoma Christopher Swezey U.S. Geological Survey Karl K. Turekian (NAS) Department of Geology and Geophysics Yale University Eli Tziperman Department of Earth and Planetary Sciences School of Engineering and Applied Sciences Harvard University

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191 APPENDIX B Thomas Wagner Institute for Research on Environment and Sustainability Newcastle University Debra Willard U.S. Geological Survey Scott Wing Smithsonian Institution Jim Zachos Earth and Planetary Sciences Department University of California, Santa Cruz Richard Zeebe Department of Oceanography University of Hawaii at Manoa