Monday, 6 October 2008: 8:00 AM
George R. Brown Convention Center, 310CF
182: Terrestrial Response to Climate Variability during the Medieval Warm Period: Lakes, Tree-Rings, and Human Adaptation
Sponsor:Topical Sessions
JTPC Rep:Michael Robert Rosen, U.S. Geological Survey
Conveners/Advocates:David M. Miller, U.S. Geological Survey
Kenneth D. Adams, Desert Research Institute
Edward R. Cook, Lamont-Doherty Earth Observatory
8:00 AMDrought during Medieval Times In North America: Results from An Expanded High-Resolution Grid of PDSI Reconstructions from Tree Rings
Edward R. Cook, Lamont-Doherty Earth Observatory, Richard R. Heim Jr, National Climatic Data Center, Russell S. Vose, National Climatic Data Center, Jay H. Lawrimore, National Climatic Data Center
8:20 AMHow the Rate of Volcanism Initiated the Medieval Warm Period and Controlled Its Periods of Drought
Peter L. Ward, Teton Tectonics
8:35 AMThe Tangled Web – Records of the Medieval Climate Anomaly (A.D. 900-1350) from Northern San Francisco Bay Marshes
Scott W. Starratt, U.S. Geological Survey
8:50 AMIncreasing Evidence for the Medieval Drought-Deluge-Drought Sequence in the Western U.S
Scott Stine, California State University
9:05 AMLake-Level Fluctuations in the Western Great Basin during the Medieval Climate Anomaly: Episodes of Both Drier and Wetter Periods Than Modern
Kenneth D. Adams, Desert Research Institute
9:20 AMMedieval Climate In the Mojave Desert Suggests Regional Lake Rise Between Extended Droughts
David M. Miller, U.S. Geological Survey, Lewis A. Owen, University of Cincinnati, Shannon A. Mahan, US Geol Survey
9:35 AMA Millennial Scale Tree-Ring Precipitation Reconstruction for the Tavaputs Plateau, Northeastern Utah
Troy A. Knight, University of Arizona, David M. Meko, University of Arizona, Christopher A. Baisan, University of Arizona
9:50 AMMedieval-Period Droughts, Fires, Floods and Geomorphic Change In Interior Western USA Mountains
Grant Meyer, Univ of New Mexico, Jennifer L. Pierce, Boise State University, Jedediah D. Frechette, Univ of New Mexico, Jennifer K. New, Univ of New Mexico, Nathan Nelson, Boise State University, Lyman Persico, Univ of New Mexico
10:05 AMBreak
10:20 AMSimultaneous Cool and Early Warm Season Drought Over the Colorado Plateau
David W. Stahle, University of Arkansas
10:35 AMThe Role of Prehistoric Climate Change in Anasazi Stage Transitions
Michael S. Berry, Bureau of Reclamation, Larry Benson
10:55 AMComparison of Biomarker Hydrogen and Shell-Carbonate Oxygen Isotope Proxies In Lake Chichancanab Sediment (Yucatan Peninsula, Mexico): Implications for the Terminal Classic Maya Collapse
Peter Douglas, Yale University, Mark Pagani, Yale Univ, Mark Brenner, University of Florida, David Hodell, Univ of Florida
11:10 AMLate Holocene Climate Variability in the Southern Maya Lowlands
David Wahl, USGS, Roger Byrne, UC Berkeley, Richard Hansen, Idaho State University, Thomas Schreiner, UC Berkeley
11:25 AMFloods and Fluvial Activity during the Medieval Climate Episode
James C. Knox, University of Wisconsin-Madison
11:45 AMThe Medieval Warm Period in the Great Lakes Region: Spatial Patterns of Drought and Terrestrial Ecosystem Response
Robert K. Booth, Lehigh University, Stephen T. Jackson, University of Wyoming

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