Xin Sun¹, John Tracey², Colette LaMonica Kelly³, Elizabeth Wallace⁴, Amal Jayakumar¹, Karen L Casciotti⁵ and Bess B Ward², (1)Princeton University, Princeton, NJ, United States, (2)Princeton University, Department of Geosciences, Princeton, NJ, United States, (3)Stanford University, Stanford, CA, United States, (4)Princeton University, United States, (5)Stanford University, Stanford, United States