Jennifer S Karolewski^1,2, Veronique Oldham³, Anna Michel⁴, Colleen Hansel¹ and Scott D. Wankel¹, (1)Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, MA, United States, (2)Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Science, Cambridge, MA, United States, (3)University of Rhode Island, Graduate School of Oceanography, Kingston, RI, United States, (4)Woods Hole Oceanographic Institution, Applied Ocean Physics and Engineering, Woods Hole, MA, United States