論文
公開件数:42件
No. 種別 査読の有無 標題 単著・共著区分 著者 誌名 巻号頁 出版日 ISSN DOI URL
1 一般論文

OI 630.0 nm and N2 1PG emissions in pulsating aurora events observed by an optical spectrograph at Tromsø, Norway

T. T. Tsuda, C. Li, S. Hamada, K. Hosokawa, S.-i. Oyama, S. Nozawa, T. Kawabata, A. Mizuno, J. Kurihara, T. Nishiyama, and M. J. Kosch
J. Geophys. Res. Space Physics
in press
2020

10.1029/2020JA028250

2 一般論文

An ephemeral red arc appeared at 68º MLat at a pseudo breakup during geomagnetically quiet conditions

S. Oyama, A. Shinbori, Y. Ogawa, M. Kellinsalmi, T. Raita, A. Aikio, H. Vanhamäki, K. Shiokawa, I. Virtanen, L. Cai, A. B. Workayehu, M. Pedersen, K. Kauristie, T. T. Tsuda, B. Kozelov, A. Demekhov, A. Yahnin, F. Tsuchiya, A. Kumamoto, Y. Kasahara, A. Matsuoka, M. Shoji, M. Teramoto, and M. Lester
J. Geophys. Res. Space Physics
125, e2020JA028468-
2020

10.1029/2020JA028468

3 一般論文

Observation of synchronization between instabilities of the sporadic E layer and geomagnetic field line connected F‐region medium‐scale traveling ionospheric disturbances

M. K. Ejiri, T. Nakamura, T. T. Tsuda, T. Nishiyama, M. Abo, C.-Y. She, M. Nishioka, A. Saito, T. Takahashi, K. Tsuno, T. D. Kawahara, T. Ogawa, and S. Wada
J. Geophys. Res. Space Physics
124, 4627-4638
2019

10.1029/2018JA026242

4 一般論文

Vertical fine structure and time evolution of plasma irregularities in the Es layer observed by a high-resolution Ca+ lidar

M. K. Ejiri, T. Nakamura, T. T. Tsuda, T. Nishiyama, M. Abo, T. Takahashi, K. Tsuno, T. D. Kawahara, T. Ogawa, and S. Wada
Earth Planets Space
71, 3-
2019

10.1186/s40623-019-0984-z

5 一般論文

A new five-wavelength photometer operated in Tromsø (69.6ºN, 19.2ºE)

S. Nozawa, T. Kawabata, K. Hosokawa, Y. Ogawa, T. T. Tsuda, A. Mizuno, R. Fujii, and C. M. Hall
Earth Planets Space
70, 193-
2018

10.1186/s40623-018-0962-x

6 一般論文

Initial report on polar mesospheric cloud observations by Himawari-8

T. T. Tsuda, Y. Hozumi, K. Kawaura, K. Hosokawa, H. Suzuki, and T. Nakamura
Atmos. Meas. Tech.
11, 6163-6168
2018

10.5194/amt-11-6163-2018

7 一般論文

Auroral molecular-emission effects on the atomic oxygen line at 777.4 nm

S. Oyama, T. T. Tsuda, K. Hosokawa, Y. Ogawa, Y. Miyoshi, S. Kurita, A. E. Kero, R. Fujii, Y. Tanaka, A. Mizuno, T. Kawabata, B. Gustavsson, and T. Leyser
Earth Planets Space
70, 166-
2018

10.1186/s40623-018-0936-z

8 一般論文

Survey of conditions for artificial aurora experiments by the second electron gyro-harmonic at EISCAT Tromsø using dynasonde data

T. T. Tsuda, M. T. Rietveld, M. J. Kosch, S. Oyama, Y. Ogawa, K. Hosokawa, S. Nozawa, T. Kawabata, and A. Mizuno
Earth Planets Space
70, 94-
2018

10.1186/s40623-018-0864-y

9 一般論文

Survey of conditions for artificial aurora experiments at EISCAT Tromsø using dynasonde data

T. T. Tsuda, M. T. Rietveld, M. J. Kosch, S. Oyama, K. Hosokawa, S. Nozawa, T. Kawabata, A. Mizuno, and Y. Ogawa
Earth Planets Space
70, 40-
2018

10.1186/s40623-018-0805-9

10 一般論文

Simultaneous FPI and TMA measurements of the lower-thermospheric wind in the vicinity of the poleward-expanding aurora after substorm onset

S. Oyama, K. Kubota, T. Morinaga, T. T. Tsuda, J. Kurihara, M. F. Larsen, M. Yamamoto, and L. Cai
J. Geophys. Res. Space Physics
122, 10,864-10,875
2017

10.1002/2017JA024613

11 一般論文

Rayleigh/Raman lidar observations of gravity wave activity from 15 to 70 km altitude over Syowa (69ºS, 40ºE), the Antarctic

M. Kogure, T. Nakamura, M. K. Ejiri, T. Nishiyama, Y. Tomikawa, M. Tsutsumi, H. Suzuki, T. T. Tsuda, T. D. Kawahara, and M. Abo
J. Geophys. Res. Atmospheres
122, 7869-7880
2017

10.1002/2016JD026360

12 一般論文

Statistical investigation of Na layer response to geomagnetic activity using resonance scattering measurements by Odin/OSIRIS

T. T. Tsuda, T. Nakamura, M. K. Ejiri, T. Nishiyama, K. Hosokawa, T. Takahashi, J. Gumbel, and J. Hedin
Geophys. Res. Lett.
44, 5943-5950
2017

10.1002/2017GL072801

13 一般論文

Sodium temperature/wind lidar based on laser-diode-pumped Nd:YAG lasers deployed at Tromsø, Norway (69.6ºN, 19.2ºE)

T. D. Kawahara, S. Nozawa, N. Saito, T. Kawabata, T. T. Tsuda, and S. Wada
Opt. Express
25, A491-A501
2017

10.1364/OE.25.00A491

14 一般論文

Depletion of mesospheric sodium during extended period of pulsating aurora

T. Takahashi, K. Hosokawa, S. Nozawa, T. T. Tsuda, Y. Ogawa, M. Tsutsumi, Y. Hiraki, H. Fujiwara, T. D. Kawahara, N. Saito, S. Wada, T. Kawabata, and C. Hall
J. Geophys. Res. Space Physics
122, 1212-1220
2017

10.1002/2016JA023472

15 一般論文

Lower thermospheric wind variations in auroral patches during the substorm recovery phase

S.-i. Oyama, K. Shiokawa, Y. Miyoshi, K. Hosokawa, B. J. Watkins, J. Kurihara, T. T. Tsuda, and C. T. Fallen
J. Geophys. Res. Space Physics
121, 3564-3577
2016

10.1002/2015JA022129

16 一般論文

A sporadic sodium layer event detected with five-directional lidar and simultaneous wind, electron density, and electric field observation at Tromsø, Norway

T. T. Tsuda, S. Nozawa, T. D. Kawahara, T. Kawabata, N. Saito, S. Wada, C. M. Hall, M. Tsutsumi, Y. Ogawa, S. Oyama, T. Takahashi, M. K. Ejiri, T. Nishiyama, T. Nakamura, and A. Brekke
Geophys. Res. Lett.
42, 9190-9196
2015

10.1002/2015GL066411

17 一般論文

A case study on generation mechanisms of a sporadic sodium layer above Tromsø (69.6ºN) during a night of high auroral activity

T. Takahashi, 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
Ann. Geophys.
33, 941-953
2015

10.5194/angeo-33-941-2015

18 一般論文

A thermospheric Na layer event observed up to 140 km over Syowa Station (69.0ºS, 39.6ºE) in Antarctica

T. T. Tsuda, X. Chu, T. Nakamura, M. K. Ejiri, T. D. Kawahara, A. S. Yukimatu, and K. Hosokawa
Geophys. Res. Lett.
42, 3647-3653
2015

10.1002/2015GL064101

19 一般論文

Height and time characteristics of seasonal and diurnal variations in PMWE based on 1 year observations by the PANSY radar (69.0ºS, 39.6ºE)

T. Nishiyama, K. Sato, T. Nakamura, M. Tsutsumi, T. Sato, M. Kohma, K. Nishimura, Y. Tomikawa, M. K. Ejiri, and T. T. Tsuda
Geophys. Res. Lett.
42, 2100-2108
2015

10.1002/2015GL063349

20 一般論文

Variations of the neutral temperature and sodium density between 80 and 107 km above Tromsoe during the winter of 2010-2011 by a new solid state sodium LIDAR

S. Nozawa, 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
J. Geophys. Res. Space Physics
119, 441-451
2014

10.1002/2013JA019520

21 一般論文

Height-dependent ionospheric variations in the vicinity of nightside poleward expanding aurora after substorm onset

S. Oyama, Y. Miyoshi, K. Shiokawa, J. Kurihara, T. T. Tsuda, and B. J. Watkins
J. Geophys. Res. Space Physics
119, 4146-4156
2014

10.1002/2013JA019704

22 一般論文

A case study of gravity wave dissipation in the polar MLT region using sodium LIDAR and radar data

T. Takahashi, 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
Ann. Geophys.
32, 1195-1205
2014

10.5194/angeo-32-1195-2014

23 一般論文

Field-aligned current loop model on formation of sporadic metal layers

N. Matuura, T. Tsuda, and S. Nozawa
J. Geophys. Res. Space Physics
118, 4628-4639
2013

10.1002/jgra.50414

24 一般論文

Layered conductance in the ionosphere estimated using data from a multi-wavelength photometer at the European Incoherent Scatter radar site

S. Oyama, T. Watanabe, R. Fujii, S. Nozawa, and T. T. Tsuda
Antarctic Record
57(3), 339-356
2013



25 一般論文

Relationship between auroral substorm and ion upflow in the nightside polar ionosphere

Y. Ogawa, M. Sawatsubashi, S. C. Buchert, K. Hosokawa, S. Taguchi, S. Nozawa, S. Oyama, T. T. Tsuda, and R. Fujii
J. Geophys. Res. Space Physics
118, 7426-7437
2013

10.1002/2013JA018965

26 一般論文

Decrease in sodium density observed during auroral particle precipitation over Tromsø, Norway

T. T. Tsuda, 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, and T. Nakamura
Geophys. Res. Lett.
40, 4486-4490
2013

10.1002/grl.50897

27 一般論文

欧州非干渉散乱 (EISCAT) レーダーの大規模データ処理と可視化

小川泰信, 野澤悟徳, Ingemar Häggström, 大山伸一郎, 元場哲郎, 津田卓雄, 齋藤昭則, 宮下幸長, 田中良昌, 堀智昭, 上野玄太, 宮岡宏, 藤井良一
宇宙科学情報解析論文誌
1, 83-89
2012



28 一般論文

Temporal variations of the ion-neutral collision frequency from EISCAT observations in the polar lower ionosphere during periods of geomagnetic disturbances

S. Oyama, J. Kurihara, B. Watkins, T. Tsuda, and T. Takahashi
J. Geophys. Res.
117, A05308-
2012

10.1029/2011JA017159

29 一般論文

Mean winds, tides, and quasi-2day waves above Bear Island

S. Nozawa, C. M. Hall, M. Tsutsumi, A. Brekke, Y. Ogawa, T. Tsuda, S. Oyama, and R. Fujii
J. Atmos. Sol. Terr. Phys.
90-91, 26-44
2012

10.1016/j.jastp.2012.05.002

30 一般論文

Meso-scale observations of Joule heating near an auroral arc and ion-neutral collision frequency in the polar cap E-region

M. J. Kosch, I. Yiu, C. Anderson, T. Tsuda, Y. Ogawa, S. Nozawa, A. Aruliah, V. Howells, L. J. Baddeley, I. W. McCrea, and J. A. Wild
J. Geophys. Res.
116, A05321-
2011

10.1029/2010JA016015

31 一般論文

Variance of the vertical ion speed measured with the European Incoherent Scatter (EISCAT) UHF radar in the polar lower ionosphere at Tromsø, Norway

S. Oyama, A. Brekke, T. T. Tsuda, J. Kurihara, and B. J. Watkins
J. Geophys. Res.
116, A00K06-
2011

10.1029/2010JA016129

32 一般論文

Fine structure of sporadic sodium layer observed with a sodium lidar at Tromsø, Norway

T. T. Tsuda, 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
Geophys. Res. Lett.
38, L18102-
2011

10.1029/2011GL048685

33 一般論文

Tidal waves in the polar lower thermosphere observed using the EISCAT long run data set obtained in September 2005

S. Nozawa, Y. Ogawa, S. Oyama, H. Fujiwara, T. Tsuda, A. Brekke, C. M. Hall, Y. Murayama, S. Kawamura, H. Miyaoka, and R. Fujii
J. Geophys. Res.
115, A08312-
2010

10.1029/2009JA015237

34 一般論文

Lower-thermospheric wind fluctuations measured with an FPI during pulsating aurora at Tromsø, Norway

S. Oyama, K. Shiokawa, J. Kurihara, T. T. Tsuda, S. Nozawa, Y. Ogawa, Y. Otsuka, and B. J. Watkins
Ann. Geophys.
28, 1847-1857
2010

10.5194/angeo-28-1847-2010

35 一般論文

Acceleration mechanism of high-speed neutral wind observed in the polar lower thermosphere

T. T. Tsuda, S. Nozawa, S. Oyama, T. Motoba, Y. Ogawa, H. Shinagawa, N. Nishitani, K. Hosokawa, N. Sato, M. Lester, and R. Fujii
J. Geophys. Res.
114, A04322-
2009

10.1029/2008JA013867

36 一般論文

Spatial evolution of frictional heating and the predicted thermospheric-wind effects in the vicinity of an auroral arc measured with the Sondrestrom incoherent-scatter radar and the Reimei satellite

S. Oyama, T. T. Tsuda, T. Sakanoi, Y. Obuchi, K. Asamura, M. Hirahara, A. Yamazaki, Y. Kasaba, R. Fujii, S. Nozawa, and B. J. Watkins
J. Geophys. Res.
114, A07311-
2009

10.1029/2009JA014091

37 一般論文

Ion heating in high-speed flow channel within the duskside cell of the polar-cap ion convection under large IMF-By condition

S. Maeda, Y. Ogawa, K. Hosokawa, S. Nozawa, S. Oyama, T. Tsuda, and A. Brekke
J. Geophys. Res.
114, A11307-
2009

10.1029/2009JA014300

38 一般論文

Temperature enhancements and vertical winds in the lower thermosphere associated with auroral heating during the Dynamics and Energetics of the Lower Thermosphere in Aurora (DELTA) campaign

J. Kurihara, S. Oyama, S. Nozawa, T. Tsuda, R. Fujii, Y. Ogawa , H. Miyaoka, N. Iwagami, T. Abe, K.-I. Oyama, M. Kosch , A. L. Aruliah, E. Griffin, and K. Kauristie
J. Geophys. Res.
114, A12306-
2009

10.1029/2009JA014392

39 一般論文

The Pedersen current carried by electrons: a non-linear response of the ionosphere to magnetospheric forcing

S. C. Buchert, T. Tsuda, R. Fujii, and S. Nozawa
Ann. Geophys.
26, 2837-2844
2008

10.5194/angeo-26-2837-2008

40 一般論文

An ion drag contribution to the lower thermospheric wind in summer polar region

T. T. Tsuda, S. Nozawa, A. Brekke, Y. Ogawa, T. Motoba, R. Roble, and R. Fujii
J. Geophys. Res.
112, A06319-
2007

10.1029/2006JA011785

41 一般論文

EISCAT observational results during the DELTA campaign

S. Nozawa, Y. Ogawa, A. Brekke, T. Tsuda, C. M. Hall, H. Miyaoka, J. Kurihara, T. Abe, and R. Fujii
Earth Planets Space
58, 1183-1191
2006

10.1186/BF03352008

42 招待論文

共鳴散乱ライダーによる地球超高層領域の金属原子層の観測

津田卓雄, 野澤悟徳, 斎藤徳人, 川原琢也, 川端哲也, 高橋透, 和田智之, 中村卓司, 江尻省, 西山尚典, 津野克彦, 阿保真
レーザー研究
48, 580-584
2020