Sebastian M Vivancos^1,2, Robert F Anderson^1,2, Martin Q Fleisher¹, Frank J Pavia^1,2, Pu Zhang^3,4, Xianglei Li³, Hai Cheng^3,4, R. Lawrence Edwards³, Yang Xiang⁵ and Phoebe J Lam⁵, (1)Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, United States, (2)Columbia University, Department of Earth and Environmental Sciences, New York, NY, United States, (3)University of Minnesota, Department of Earth Sciences, Minneapolis, MN, United States, (4)Xi'an Jiaotong University, Institute of Global Environmental Change, Xi'an, China, (5)University of California Santa Cruz, Department of Ocean Sciences, Santa Cruz, CA, United States