Rachel Lauren Kelly¹, Natalie Cohen², Paulina Pinedo-Gonzalez³, Nicholas Hawco¹, Fabien Lombard⁴, Guillaume Bourdin⁵ and Seth John⁶, (1)University of Southern California, Earth Sciences, Los Angeles, CA, United States, (2)Woods Hole Oceanographic Institution, United States, (3)Lamont -Doherty Earth Observatory, Geochemistry, Palisades, NY, United States, (4)Laboratoire d'Océanographie de Villefranche (LOV), UMR 7093, Sorbonne Université, Villefranche-sur-Mer, France, (5)University of Maine, Orono, ME, United States, (6)University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States