Researchers at the University of Minnesota Duluth (UMD) are studying lake sediment to reconstruct long-term climate and flood histories in the region. Using a technique called freeze coring, they extract intact layers of mud, called varves, from the bottom of lakes. These varves form annually and preserve chemical clues about rainfall and weather conditions dating back hundreds to thousands of years. Traditional climate records only span a few decades, but this method enables scientists to analyze extreme precipitation trends far beyond modern data limits. The findings could improve flood modeling and guide infrastructure decisions.Read more about this research: https://news.d.umn.edu/articles/flood-history
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- 0:52What happens when you drop a steel wedge filled with dry ice into a lake?Researchers at the University of Minnesota Duluth (UMD) and the U.S. Geological Survey (USGS) are studying lake sediment to reconstruct long-term climate and flood histories in the region. Using a technique called freeze coring, they extract intact layers of mud, called varves, from the bottom of lakes. These varves form annually and preserve chemical and physical clues about rainfall and weather conditions dating back hundreds to thousands of years. This method enables scientists to analyze extreme precipitation trends far beyond modern data limits. The findings could improve flood modeling and guide infrastructure decisions.Read more about this impactful research: https://news.d.umn.edu/articles/flood-history
- 1:48Reconstructing flood history from lake sedimentResearchers at the University of Minnesota Duluth (UMD) are studying lake sediment to reconstruct long-term climate and flood histories in the region. Using a technique called freeze coring, they extract intact layers of mud, called varves, from the bottom of lakes. These varves form annually and preserve chemical clues about rainfall and weather conditions dating back hundreds to thousands of years. Traditional climate records only span a few decades, but this method enables scientists to analyze extreme precipitation trends far beyond modern data limits. The findings could improve flood modeling and guide infrastructure decisions.Read more about this research: https://news.d.umn.edu/articles/flood-history
- 6:43Duluth from above | Aerial views of UMD and the North Shore
- 2:12Society of Women Engineers at UMDLearn more about studying at the University of Minnesota Duluth: https://www.d.umn.edu/
- 1:14Land Acknowledgement StatementLearn more about the University of Minnesota Duluth's Land Acknowledgement: https://about.d.umn.edu/campus-history/landListen to a video description of this video: https://youtu.be/5eMXJ80GWpk
- 1:40Gaining capability: A commencement addressGrace Lynch graduated with a Bachelor of Science in both biology and chemical engineering, with minors in biochemical engineering and quality science. Beyond the classroom, she’s spent much of her time in labs, both as an undergraduate researcher and through jobs in the medical field. Lynch has enjoyed exploring those opportunities and hopes to put her studies and experiences to work in the area of implantable medical devices. Enjoy this excerpt from her commencement address delivered during the University of Minnesota Duluth's (UMD) 2025 afternoon commencement ceremony.Learn more about degree programs at UMD: https://academics.d.umn.edu/
