@misc{oai:nipr.repo.nii.ac.jp:00016775, author = {今榮, 直也 and Imae, Naoya}, month = {Nov}, note = {The 12th Symposium on Polar Science, 15–18 Nov. 2021, National Institute of Polar Research (NIPR) Research Organization of Information and Systems (ROIS)}, title = {The 12th Symposium on Polar Science, Program and Abstracts, Session OA}, year = {2021} }