Great Lakes Hemlock Project

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Great Lakes Hemlock Project

The Great Lakes Hemlock Project has updated six eastern hemlock tree-ring chronologies and developed the first tree-ring-based reconstruction of Lake Superior annual evaporation, highlighting an opportunity to greatly expand understanding of the mechanisms that drive lake level change in the Great Lakes.

Funding sources: Wisconsin Alliance for Minority Participation (WiscAMP), UW-Platteville TREES Lab; UW-Platteville Scholarly Activity Improvement Fund; UW-Platteville PACCE

Products

Presentations
  • Evan R. Larson, J. Elmo Rawling III, and Sara Allen. 2015. Developing new sources of proxy climate data from historical structures in the Lake Michigan-Huron Basin. North-Central Section of the Geological Society of America Annual Meeting, May 19–20, Madison, Wisconsin.
  • Gabriel Brownell* and Evan R. Larson. 2015. The Great Lakes Hemlock Project: Improving estimates of regional summer temperatures over the past 400 years to inform reconstructions of Lake Michigan lake level variability. Annual Meeting of the Association of American Geographers, April 20–25, Chicago, Illinois.
  • J. Elmo Rawling III, Evan R. Larson, and Sara Allen. 2015. New chronologies from the Great Lakes cutover: Dendroecology of a mid-1800s pier in the old harbor of the Kalamazoo River along the southeast shores of Lake Michigan. Annual Meeting of the Association of American Geographers, April 20–25, Chicago, Illinois.
  • Gabriel Brownell* and Evan R. Larson. 2014. A 400-year summer temperature reconstruction for northern Wisconsin and Michigan. Annual Meeting of the Association of American Geographers, April 8–12, Tampa, Florida.
  • Gabriel Brownell* and Evan R. Larson. 2013. A 400-year record of northern Wisconsin and Michigan July temperatures derived from the rings of ancient eastern hemlock trees. Connections in Nature Student Research Symposium, November 9, Riveredge Nature Center, Saukville, Wisconsin.
  • Gabriel Brownell*, Brennan Waupoose*, Giselle Varrientos*, McKaylee Duquain*, and Evan R. Larson. 2013. Updating the Presque Isle River hemlock chronology, Porcupine Mountains Wilderness State Park. Second American Dendrochronology Conference, May 13–17, Laboratory of Tree-Ring Research, University of Arizona, Tucson.
  • Gabriel Brownell*, McKaylee Duquain*, Giselle Varrientos*, Brennan Waupoose*, Sara Allen*, Thomas Wilding, and Evan R. Larson. 2012. Updating the Presque River Isle Hemlock Chronology, Porcupine Mountains Wilderness State Park. WiscAMP Annual Meeting, October 19, Madison, Wisconsin.

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