PP21D:
Integrating Data and Models in Paleoclimatology and Paleoecology: Current Approaches, Emerging Challenges, and Next Steps I

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Session ID#: 33884

Session Description:
A key contribution of paleo-data to Earth system modeling is providing constraints for testing model reliability and suitability under conditions very different from present. Increasingly, proxy data networks and their derived paleoenvironmental inferences are being directly assimilated into Earth system model simulations to improve inference about past earth system dynamics. This data-model assimilation, however, is complicated by depositional and biological processes that create uncertainty in proxy data and about alignment of proxy variables with those used within models of Earth system change. There remain non-trivial challenges in deriving data products from paleo-data suitable for use in dynamic models used in forecasting the various components of Earth system change. This session will address three central themes; (1) new or emerging methods to improve inference from paleo-proxy data, (2) techniques for informing Earth system models using paleo-data, and (3) case studies where paleo-data has been used to inform predictions of future change.
Primary Convener:  Andria Dawson, University of Arizona, Geosciences, Tucson, AZ, United States; Mount Royal University, Department of Mathematics and Computing, Calgary, AB, Canada
Conveners:  Simon J Goring, University of Wisconsin Madison, Department of Geography, Center for Climatic Research, & Data Science Institute, Madison, United States, Jessica E Tierney, University of Arizona, Geosciences, Tucson, AZ, United States and John W Williams, University of Wisconsin-Madison, Department of Geography & Center for Climatic Research, Madison, United States
Chairs:  Andria Dawson, Mount Royal University, Department of Mathematics and Computing, Calgary, AB, Canada and John W Williams, University of Wisconsin-Madison, Department of Geography & Center for Climatic Research, Madison, United States
OSPA Liaison:  Andria Dawson, Mount Royal University, Department of Mathematics and Computing, Calgary, AB, Canada
Index Terms:

0424 Biosignatures and proxies [BIOGEOSCIENCES]
0473 Paleoclimatology and paleoceanography [BIOGEOSCIENCES]
1622 Earth system modeling [GLOBAL CHANGE]
4950 Paleoecology [PALEOCEANOGRAPHY]

Abstracts Submitted to this Session:

Uncertainty and inference in the world of paleoecological data (297919)
Jason S McLachlan, University of Notre Dame, Notre Dame, IN, United States, Andria Dawson, Mount Royal University, Calgary, AB, Canada, Michael Dietze, Boston University, Boston, MA, United States, Malcolm Finley, Michigan State University, East Lansing, MI, United States, Mevin Hooten, Colorado State University, Statistics, Fort Collins, CO, United States, Malcolm Itter, Michigan State University, East Lansing, MI, UNITED STATES, Stephen T Jackson, University of Wyoming, Laramie, WY, United States, Jennifer R Marlon, Yale University, School of the Environment, New Haven, CT, United States, Ann Raiho, Funga PBC, Austin, United States, John Tipton, University of Arkansas, Mathematical Sciences, Fayetteville, AR, United States and Jack Williams, University of Wisconsin-Madison, Department of Geography, Madison, WI, United States
An artificial intelligence tool for complex age-depth models (261805)
Elizabeth Bradley1, Kenneth A Anderson2, Laura Rassbach de Vesine2, Vivian Lai1, Marchitto Thomas3, Thomas Harrison Nelson1, Izaak Weiss2 and James W C White4, (1)University of Colorado at Boulder, Computer Science, Boulder, CO, United States, (2)University of Colorado at Boulder, Boulder, CO, United States, (3)University of Colorado, Boulder, Boulder, CO, United States, (4)Institute of Arctic and Alpine Research, Geological Sciences, Boulder, CO, United States
What We Talk About When We Talk About Drought: Tree-ring Perspectives on Model-Data Comparisons in Hydroclimate Research (Invited) (211845)
Benjamin Cook, NASA Goddard Institute for Space Studies, New York, United States; Lamont-Doherty Earth Observatory, Palisades, NY, United States and Kevin J. Anchukaitis, University of Arizona, Laboratory of Tree-Ring Research, Tucson, AZ, United States
Vegetation and Carbon Cycle Dynamics in the High-Resolution Transient Holocene Simulations Using the MPI Earth System Model (279661)
Victor Brovkin1, Stephan Lorenz1, Thomas Raddatz1, Martin Claussen1, Anne Dallmeyer1 and The Hamburg Holocene Team, (1)Max Planck Institute for Meteorology, Hamburg, Germany
Pollen-Based Inverse Modelling versus Data Assimilation, two Different Ways to Consider Priors in Paleoclimate Reconstruction: Application to the Mediterranean Holocene (213520)
Joel Guiot, CEREGE, Aix-en-Provence Cedex, France
Paleoclimate reconstruction through Bayesian data assimilation (234783)
Istem Fer, Boston University, Earth and Environment, Boston, MA, United States, Ann Raiho, Funga PBC, Austin, United States, Christine Rollinson, The Morton Arboretum, Center for Tree Science, Lisle, United States, Michael Dietze, Boston University, Boston, MA, United States and PalEON Team
Laurentide Ice-Sheet Meltwater Sources to the Gulf of Mexico During the Last Deglaciation: Assessing Data Reconstructions Using Water Isotope Enabled Simulations (266043)
Lael Vetter, University of Arizona, Geoscience, Tucson, AZ, United States, Allegra N. LeGrande, Columbia University, NASA/GISS, New York, United States, David J Ullman, Northland College, Ashland, WI, United States and Anders E Carlson, Oregon Glaciers Institute, Corvallis, OR, United States

See more of: Paleoceanography and Paleoclimatology