(1) Tsuda, T. T., S. Nozawa, T. D. Kawahara, T. Kawabata,
N. Saito, S. Wada, C. M. Hall, S. Oyama, Y. Ogawa, S. Suzuki, T. Ogawa,
T. Takahashi, H. Fujiwara, R. Fujii, N. Matuura, and A. Brekke,
Fine structure of sporadic sodium layer observed with a sodium lidar at
Tromsoe, Norway, Geophys. Res. Lett., 38, L18102, doi:10.1029/2011GL048685, 2011.
(2) Matuura, N., T. Tsuda, and S. Nozawa, Field-Aligned Current Loop Model on
Formation of Sporadic Metal Layers, JGR,
118, doi:10.1002/jgra.50414, 2013.
(3) Tsuda, T., S. Nozawa, T. D. Kawahara, T. Kawabata, N. Saito,
S. Wada, Y. Ogawa, S. Oyama, C. M. Hall, M. Tsutsumi, M. K. Ejiri,
S. Suzuki, T. Takahashi, T. Nakamura,
Decrease in sodium density observed during auroral particle precipitation
over Tromsoe Norway,GRL, 40, DOI: 10.1002/grl.50897, 2013.
(4) Nozawa, S., T. D. Kawahara, N. Saito, C. M. Hall,
T. T. Tsuda, T. Kawabata, S. Wada, A. Brekke, T. Takahashi, H. Fujiwara,
Y. Ogawa, and R. Fujii, Variations of the neutral temperature and sodium
density between 80 and 107 km above Tromso during the winter of 2010-2011
by a new solid state sodium LIDAR, J. Geophys. Res.,
119, doi:10.1002/2013JA019520, 2014.
(5) Takahashi, T., S. Nozawa, M. Tsutsumi, C. Hall, S. Suzuki, T. T. Tsuda, T. D. Kawahara, N. Saito, S. Oyama, S. Wada, T. Kawabata, H. Fujiwara, A. Brekke, A. Manson, C. Meek, and R.Fujii, A case study of gravity wave dissipation in the polar MLT region using sodium LIDAR and radar data, Ann. Geophys., 32, 1195-1205, 2014.
(6) Takahashi, T., S. Nozawa, T. T. Tsuda, Y. Ogawa, N. Saito, T. Hidemori, T. D. Kawahara, C. Hall, H. Fujiwara, N. Matuura, A. Brekke, M. Tsutsumi, S. Wada, T. Kawabata, S. Oyama, and R. Fujii, A case study on generation mechanisms of a sporadic sodium layer above Tromsoe (69.6 deg N) during a night of high auroral activity, Ann. Geophys., 33, 941-953, 2015
(7)
Takahashi, T., K. Hosokawa, S. Nozawa, T. Tsuda, Y. Ogawa, M. Tsutsumi, Y. Hiraki, H. Fujiwara, T. Kawahara, N. Saito,
S. Wada, T. Kawabata, C. Hall, Depletion of mesospheric sodium during extended period of pulsating aurora,
JGR, 122, 1212-1220, 2017
(8)
Kawahara, T.D., S. Nozawa, N. Saito, T, Kawabata, T.T. Tsuda, and S. Wada,
Sodium temperature/wind LIDAR based on laser-diode-pumped Nd:Yag lasers deployed at Tromsoe,
Norway (69.6 deg, 19.2 deg), Optics Express, 25, A491-A501, 2017.
(9) Mondal, S., S. Sarkhel, J. Agarwa, D. Chakrabarty, R. Sekar, T. Yuan, X. Cai, A. Lu, S. Nozawa,
N. Saito, T. Kawahara, M. Mlynczak, J. Russell, III,
On the long-lasting "C-type" structures in the sodium lidargram: The lifetime of Kelvin-Helmholtz billows
in the mesosphere and lower thermosphere region", J. Geophys. Res., 10.1029/2019JA026630, 2019.
(10) Narayanan, V. L., S. Nozawa, S. Oyama, I. Mann, K. Shiokawa, Y. Otsuka, N. Saito, S. Wada,
T. D. Kawahara, and T. Takahashi, Formation of a bottomside secondary sodium layer associated with the
passage of multiple mesospheric frontal systems, Atm. Chem. Phys.,
https://doi.org/10.5194/acp-2020-803, 2020.
(B) Doctor thesis
Takahashi, T., Vertical coupling in the polar mesosphere and lower thermosphere:
Event studies of gravity wave and sporadic sodium layer,
Nagoya University, Japan, March 2015.
(C) Non-referred papers
(1) Tsuda, Taukuo, T., Satonori Nozawa, Takuya D. Kawahara, Tetsuya Kawabata, Shin-ichiro Oyama, Ryoichi Fujii, Yasunobu Ogawa, Norihito Saito, Satoshi Wada, Asgeir Brekke, and Chris M. Hall, A sodium lidar project at Tromsoe: First report on test observations at Wako, Japan, Proceedings of CAWSES-II kickoff symposium, p121-124, 2010.
(2) Saito, Norihito, Tomohiro Tsukihana, Takuya Kawahara, Satonori Nozawa, Tetsuya Kawabata, Takuo Tsuda, Toshiro Koizumi, and Satoshi Wada, “All-solid-state, narrowband, pulsed sodium D2 resonance light source,” Conference on Lasers and Electro-Optics (CLEO/Europe 2011), (Sponsored by the European Physical Society and others), Munich, Germany, May 22-26, 2011, DOI:10.1109/CLEOE.2011.5942473
(3) Tsuda, Takuo, New sodium lidar at Tromsoe, Norway,
Highlights on Young Scientists,
CAWSES-II TG4 Newsletter, vol.5, p.6, 2011.