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The Landscape Evolution and Luminescence Geochronology Laboratory studies changes in earth systems in the recent past. We focus on understanding how dunefields, river systems and lakes are impacted by environmental and anthropogenic changes through time.
Much of our research involves using geochronology, primarily optically-stimulated luminescence (OSL) dating methods. Luminescence dating methods have been effectively used to estimate the last time that sand grains were exposed to either sunlight or heat, allowing us to accurately date sediments in archaeological, geological and pedogenic environments.
FUN FACT! Is it "Sandhills" or "Sand Hills"?
Britannica states that "Sand Hills" is a term used for the region of grass-covered sand dunes in Nebraska. Merriam-Webster defines "Sandhills" as a region of sand hills.
So, the answer is that it is BOTH! And you will see it both ways on this site.
Research Projects & Papers
A High-Resolution 15,000-Year Fire Record from the Nebraska Sandhills, USA
Author: James V. Benes
Co-Authors: Paul R. Hanson, Jasmine K. Pham, Joseph R. Stalder, Gosia Mahoney
Link to Project Paper
Link to Initial Project
Locating and Assessing
Oregon Trail Ruts in Nebraska
Lead Author: Paul R. Hanson
Co-Authors: R.M. Joeckel; L.M. Howard
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Early Holocene Dune-Dammed Lake in the Central Nebraska Sand Hills
Lead Author: Gosia Mahoney
Co-Authors: Rolfe D. Mandel; Paul R. Hanson; Sherilyn C. Fritz
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(UCARE Project)
Reconstructing Fire History in the Nebraska Sand Hills
UCARE Student Participants: Jasmine Pham, Joe Stalder
Project Mentor: Jim Benes
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Link to Final Paper
Fires and Drought During the Euro-American Settlement Period (1850-1950) in the Nebraska Sandhills
Author: James V. Benes
Co-Authors: Paul R. Hanson; Sherilyn C. Fritz
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The Formation of Nebraska’s Rainwater Basins
Authors: Paul Hanson, Ph.D.
Robert Matthew Joeckel, Ph.D.