Laura M Whitmore¹, Tristan J Horner², Robert Rember³, Yang Xiang⁴, Phoebe J Lam⁴, Frank Dehairs⁵, Helmuth Thomas⁶, Alan M Shiller⁷ and Chantal Mears⁸, (1)Organization Not Listed, Washington, DC, United States, (2)Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, MA, United States, (3)University of Alaska Fairbanks, Fairbanks, AK, United States, (4)University of California Santa Cruz, Department of Ocean Sciences, Santa Cruz, CA, United States, (5)Vrije Universiteit Brussel, Analytical, Environmental and Geo-Chemistry, Ixelles, Belgium, (6)Dalhousie University, Halifax, NS, Canada, (7)University of Southern Mississippi, Marine Science, Stennis Space Center, MS, United States, (8)Helmholtz Center Geesthacht, Germany