Ji-Hye Seo¹, Changhee Han², Joergen Peder Steffensen³, Erich C Osterberg⁴, Sungmin Hong² and Mukul Sharma¹, (1)Dartmouth College, Hanover, NH, United States, (2)Inha University, Ocean sciences, Incheon, South Korea, (3)Niels Bohr Institute - University of Copenhagen, Copenhagen, Denmark, (4)Dartmouth College, Department of Earth Sciences, Hanover, NH, United States