3:45 PM - 4:00 PM
*Jonghan Moon1, Eunje Oh1, Ji-Hoom Kim2, Seung-Il Nam3, Young Ji Joo4, Min Sub Sim1 (1.School of Earth and Environmental Sciences, Seoul National University, 2.Petroleum and Marine Research Division, Korea Institute of Geoscience and Mineral Resource, 3.Division of Glacial Environment Research Korea Polar Research Institute, 4.Department of Earth and Environmental Sciences, Pukyong National University)