June 7, 2018, Poster presentation at Asia Oceania Geosciences Society 15th Meeting (Hawaii)
May 21, 2018, Poster presentation at Japan Geopgysical Union Meeting 2018 (Chiba)
December 5, 2017, Oral presentation at the Eighth Symposium on Polar Science (Tokyo)


March 9, 2018, Sea ice observation field course in Lake Saroma (IAI)
February 9-14, 2018, Sea of Okhotsk on VSL Soya of Japan Coast Guard
June 14-26, 2016, Oyashio Current on R/V Wakatakamaru of Tohoku National Fisheries Research Institute