Archive for January, 2010

Lake mud may reveal environmental change

On January 6, students taking the J-Term course “Paleolimnology” (GEO 110) retrieved three sediment cores from Lake Hallett in St. Peter, with assistance from researchers from the University of Minnesota’s Limnological Research Center.  Lake sediments accumulate slowly over time, so they can record signals of environmental changes that happened before people were monitoring the lake.  […]