Aaron Chesler^1,2, Bess G Koffman³, Karl J Kreutz^1,2, Erich C Osterberg⁴, Dominic Winski^1,2, David G Ferris⁴, Zayta Renay Thundercloud⁴, Jihong Cole-Dai⁵, Mark L Wells⁶, Michael Handley¹, Aaron E Putnam^1,2, Katherine Anderson⁴ and Natalie Harmon², (1)University of Maine, Climate Change Institute, Orono, ME, United States, (2)University of Maine, School of Earth and Climate Sciences, Orono, ME, United States, (3)Colby College, Department of Geology, Waterville, ME, United States, (4)Dartmouth College, Department of Earth Sciences, Hanover, NH, United States, (5)South Dakota State University, Department of Chemistry and Biochemistry, Brookings, SD, United States, (6)University of Maine, School of Marine Sciences, Orono, ME, United States