Seth John¹, Paulina Pinedo-Gonzalez², Nicholas Hawco³, Ruifeng Zhang⁴, Emily Seelen³, Rachel Lauren Kelly³, Shun-Chung Yang⁵, Xiaopeng Bian¹, Jessica N Fitzsimmons⁶, Nathan Timothy Lanning⁷, Tim M Conway⁸ and Matthias Sieber⁹, (1)University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States, (2)Lamont -Doherty Earth Observatory, Geochemistry, Palisades, NY, United States, (3)University of Southern California, Earth Sciences, Los Angeles, CA, United States, (4)Shanghai Jiao Tong University, China, (5)Academia Sinica, Research Center for Environmental Changes, Taipei, Taiwan, (6)Texas A&M University, Oceanography, College Station, TX, United States, (7)Texas A&M University College Station, College Station, TX, United States, (8)University of South Florida, College of Marine Science and School of Geosciences, St. Petersburg, FL, United States, (9)ETH Swiss Federal Institute of Technology Zurich, Earth Sciences, Zurich, Switzerland