TY - JOUR A1 - Takahashi, T. A1 - Nozawa, S. A1 - Tsuda, T. T. A1 - Ogawa, Y. A1 - Saito, N. A1 - Hidemori, T. A1 - Kawahara, T. D. A1 - Hall, C. A1 - Fujiwara, H. A1 - Matuura, N. A1 - Brekke, A. A1 - Tsutsumi, M. A1 - Wada, S. A1 - Kawabata, T. A1 - Oyama, S. A1 - Fujii, R. T1 - A case study on generation mechanisms of a sporadic sodium layer above Tromsø (69.6° N) during a night of high auroral activity JO - Ann. Geophys. J1 - ANGEO VL - 33 IS - 8 SP - 941 EP - 953 Y1 - 2015/08/05 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/33/941/2015/ L1 - https://angeo.copernicus.org/articles/33/941/2015/angeo-33-941-2015.pdf DO - 10.5194/angeo-33-941-2015 ER -