Multi-event study of high-latitude thermospheric wind variations at substorm onset with a Fabry-Perot interferometer at Tromsoe, Norway

Heqiucen Xu, Nagoya University, Institute for Space-Earth Environmental Research, Nagoya, Japan, Kazuo Shiokawa, Nagoya University, Nagoya, Japan, Shin-ichiro Oyama, ISEE, Nagoya University, Nagoya, Japan and Yuichi Otsuka, Institute for Space-Earth Environmental Research, Nagoya University, Nagoya, Japan