1. Department of Geology, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon, 24341, Republic of Korea
2. School of Earth and Environmental Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
3. Division of Earth Sciences, Korea Polar Research Institute, 26 Songdomirae-ro, Incheon, 21990, Republic of Korea
4. Polar Science, University of Science & Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon, 34113, Republic of Korea