@misc{oai:nipr.repo.nii.ac.jp:00015864, author = {Yasunobu, Ogawa and Nozawa, Satonori and Tsutsumi, Masaki and Tomikawa, Yoshihiro and Hall, Chris and Haggstrom, Ingemar}, month = {Dec}, note = {The Tenth Symposium on Polar Science/Ordinary sessions: [OS] Space and upper atmospheric sciences, Wed. 4 Dec. /Entrance Hall (1st floor) at National Institute of Polar Research (NIPR)}, title = {Ion temperature and velocity variations in the D- and E-region polar ionosphere during stratospheric sudden warming}, year = {2019} }