Catherine C Beck¹, Jeroen van der Lubbe², Emily Alexander³, Mona Stockhecke^4,5, Bruce C Wegter¹ and Craig S Feibel⁶, (1)Hamilton College, Geosciences, Clinton, NY, United States, (2)Cardiff University, School of Earth and Ocean Sciences, Cardiff, United Kingdom, (3)Hamilton College, Geosciences, Clinton, United States, (4)EAWAG Swiss Federal Institute of Aquatic Science and Technology, Surface Waters, Duebendorf, Switzerland, (5)University of Minnesota Duluth, Large Lakes Observatory, Duluth, United States, (6)Rutgers Univ, Earth and Planetary Sciences, Piscataway, NJ, United States