@misc{oai:nipr.repo.nii.ac.jp:00016247,
 author = {Hori, Masahiro and Niwano, Masashi and Shimada, Rigen and Aoki, Teruo},
 month = {Nov},
 note = {The 11th Symposium on Polar Science/Ordinary sessions: [OM] Polar Meteorology and Glaciology, Poster presentations, Mon. 16 Nov. - Fri. 18 Dec.},
 title = {Long-term trends of regional snow cover extent in the Northern Hemisphere derived from polar-orbiting satellite optical sensors},
 year = {2020}
}