論文 - 大山 伸一郎
-
Rapid Loss of Relativistic Electrons by EMIC Waves in the Outer Radiation Belt Observed by Arase, Van Allen Probes, and the PWING Ground Stations 査読有り
Kurita S., Miyoshi Y., Shiokawa K., Higashio N., Mitani T., Takashima T., Matsuoka A., Shinohara I., Kletzing C. A., Blake J. B., Claudepierre S. G., Connors M., Oyama S., Nagatsuma T., Sakaguchi K., Baishev D., Otsuka Y.
GEOPHYSICAL RESEARCH LETTERS 10 巻 ( 257 ) 2019年1月
-
Electrostatic Electron Cyclotron Harmonic Waves as a Candidate to Cause Pulsating Auroras 査読有り
Fukizawa M., Sakanoi T., Miyoshi Y., Hosokawa K., Shiokawa K., Katoh Y., Kazama Y., Kumamoto A., Tsuchiya F., Miyashita Y., Tanaka Y-M., Kasahara Y., Ozaki M., Matsuoka A., Matsuda S., Hikishima M., Oyama S., Ogawa Y., Kurita S., Fujii R.
GEOPHYSICAL RESEARCH LETTERS 頁： 8788 - 8791 2019年
-
Spatiotemporal development of pulsating auroral patch associated with discrete chorus elements: Arase and PWING observations 査読有り
Ozaki M., Shiokawa K., Miyoshi Y., Hosokawa K., Oyama S., Yagitani S., Kasahara Y., Kasaba Y., Matsuda S., Kataoka R., Ebihara Y., Ogawa Y., Otsuka Y., Kurita S., Moore R. C., Tanaka Y. -M., Nose M., Nagatsuma T., Connors M., Nishitani N., Hikishima M., Kumamoto A., Tsuchiya F., Kadokura A., Nishiyama T., Inoue T., Imamura K., Matsuoka A., Shinohara I.
2019 URSI ASIA-PACIFIC RADIO SCIENCE CONFERENCE (AP-RASC) 2019年
-
Height-dependent ionospheric variations in the vicinity of nightside poleward expanding aurora after substorm onset 査読有り
Oyama, S., Y. Miyoshi, K. Shiokawa, J. Kurihara, T. T. Tsuda, and B. J. Watkins
J. Geophys. Res. Space Physics 45 巻 ( 23 ) 頁： 12720 - 12729 2018年12月
-
Generation of atmospheric gravity waves in the polar thermosphere in response to auroral activity 査読有り
Oyama, S., and B. J. Watkins
Space Science Review 45 巻 ( 23 ) 頁： 12661 - 12668 2018年12月
-
Variance of the vertical ion speed measured with the EISCAT UHF radar in the polar lower ionosphere at Tromsoe, Norway 査読有り
Oyama, S., A. Brekke, T. T. Tsuda, J. Kurihara, and B. J. Watkins
J. Geophys. Res. 45 巻 ( 22 ) 頁： 12125 - 12134 2018年11月
-
Purple Auroral Rays and Global Pc1 Pulsations Observed at the CIR-Associated Solar Wind Density Enhancement on 21 March 2017 査読有り
Shiokawa K., Ozaki M., Kadokura A., Endo Y., Sakanoi T., Kurita S., Miyoshi Y., Oyama S. -I., Connors M., Schofield I., Ruohoniemi J. M., Nose M., Nagatsuma T., Sakaguchi K., Baishev D. G., Pashinin A., Rakhmatulin R., Shevtsov B., Poddelsky I., Engebretson M., Raita Tero, Tanaka Y. -M., Shinohara M., Teramoto M., Nomura R., Fujimoto A., Matsuoka A., Higashio N., Takashima T., Shinohara I., Albert Jay M.
GEOPHYSICAL RESEARCH LETTERS 45 巻 ( 20 ) 頁： 10819-10828 2018年10月
-
Auroral molecular-emission effects on the atomic oxygen line at 777.4nm 査読有り
Oyama Shin-ichiro, Tsuda Takuo T., Hosokawa Keisuke, Ogawa Yasunobu, Miyoshi Yoshizumi, Kurita Satoshi, Kero Antti E., Fujii Ryoichi, Tanaka Yoshimasa, Mizuno Akira, Kawabata Tetsuya, Gustavsson Bjorn, Leyser Thomas
EARTH PLANETS AND SPACE 70 巻 2018年10月
-
Survey of conditions for artificial aurora experiments by the second electron gyro-harmonic at EISCAT Tromso using dynasonde data 査読有り
Tsuda T. T., Rietveld M. T., Kosch M. J., Oyama S., Ogawa Y., Hosokawa K., Nozawa S., Kawabata T., Mizuno A.
EARTH PLANETS AND SPACE 70 巻 2018年6月
-
Survey of conditions for artificial aurora experiments at EISCAT Tromso using dynasonde data 査読有り
Tsuda T. T., Rietveld M. T., Kosch M. J., Oyama S., Hosokawa K., Nozawa S., Kawabata T., Mizuno A., Ogawa Y.
EARTH PLANETS AND SPACE 70 巻 2018年3月
-
Ground-based instruments of the PWING project to investigate dynamics of the inner magnetosphere at subauroral latitudes as a part of the ERG-ground coordinated observation network 査読有り
Shiokawa Kazuo, Katoh Yasuo, Hamaguchi Yoshiyuki, Yamamoto Yuka, Adachi Takumi, Ozaki Mitsunori, Oyama Shin-Ichiro, Nose Masahito, Nagatsuma Tsutomu, Tanaka Yoshimasa, Otsuka Yuichi, Miyoshi Yoshizumi, Kataoka Ryuho, Takagi Yuki, Takeshita Yuhei, Shinbori Atsuki, Kurita Satoshi, Hori Tomoaki, Nishitani Nozomu, Shinohara Iku, Tsuchiya Fuminori, Obana Yuki, Suzuki Shin, Takahashi Naoko, Seki Kanako, Kadokura Akira, Hosokawa Keisuke, Ogawa Yasunobu, Connors Martin, Ruohoniemi J. Michael, Engebretson Mark, Turunen Esa, Ulich Thomas, Manninen Jyrki, Raita Tero, Kero Antti, Oksanen Arto, Back Marko, Kauristie Kirsti, Mattanen Jyrki, Baishev Dmitry, Kurkin Vladimir, Oinats Alexey, Pashinin Alexander, Vasilyev Roman, Rakhmatulin Ravil, Bristow William, Karjala Marty
EARTH PLANETS AND SPACE 69 巻 2017年11月
-
Simultaneous FPI and TMA Measurements of the Lower Thermospheric Wind in the Vicinity of the Poleward Expanding Aurora After Substorm Onset 査読有り
Oyama Shin-ichiro, Kubota Ken, Morinaga Takatoshi, Tsuda Takuo T., Kurihara Junichi, Larsen Miguel F., Yamamoto Masayuki, Cai Lei
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 122 巻 ( 10 ) 頁： 10864-10875 2017年10月
-
Energetic electron precipitation and auroral morphology at the substorm recovery phase 査読有り
Oyama S., Kero A., Rodger C. J., Clilverd M. A., Miyoshi Y., Partamies N., Turunen E., Raita T., Verronen P. T., Saito S.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 122 巻 ( 6 ) 頁： 6508-6527 2017年5月
-
Measurement of thermospheric temperatures using OMTI Fabry-Perot interferometers with 70-mm etalon 査読有り
Nakamura Y., Shiokawa K., Otsuka Y., Oyama S., Nozawa S., Komolmis T., Komonjida S., Neudegg Dave, Yuile Colin, Meriwether J., Shinagawa H., Jin H.
EARTH PLANETS AND SPACE 69 巻 2017年4月
-
Mesospheric ozone destruction by high-energy electron precipitation associated with pulsating aurora 査読有り
Turunen, E., A. Kero, P. T. Verronen, Y. Miyoshi, S.-I. Oyama, and S. Saito
J. Geophys. Res. Atmos. 2016年9月
-
Thermospheric Nocturnal Wind Climatology Observed by Fabry-Perot Interferometers over the Asia-Oceania Region 査読有り
Yatagai, A., and S. Oyama
J. Meteorol. Soc. Japan 2016年8月
-
Lower thermospheric wind variations in auroral patches during the substorm recovery phase 査読有り
Shin-ichiro Oyama, Kazuo Shiokawa, Yoshizumi Miyoshi, Keisuke Hosokawa, Brenton J. Watkins, Junichi Kurihara, Takuo T. Tsuda andChristopher T. Fallen
J. Geophys. Res., Space Physics 121 巻 ( 4 ) 頁： 3564-3577 2016年5月
-
Relation between fine structure of energy spectra for pulsating aurora electrons and frequency spectra of whistler mode chorus waves 査読有り
Miyoshi, Y., S. Saito, K. Seki, T. Nishiyama, R. Kataoka, K. Asamura, Y. Katoh, Y. Ebihara, T. Sakanoi, M. Hirahara, S. Oyama, S. Kurita, and O. Santolik
J. Geophys. Res. Space Physics 2015年8月
-
A case study on generation mechanisms of a sporadic sodium layer above Tromsoe (69.6N) during a night of high auroral activity 査読有り
Takahashi, T., Nozawa, S., Tsuda, T. T., Ogawa, Y., Saito, N., Hidemori, T., Kawahara, T. D., Hall, C., Fujiwara, H., Matuura, N., Brekke, A., Tsutsumi, M., Wada, S., Kawabata, T., Oyama, S., and Fujii, R
Ann. Geophys. 2015年8月
-
Statistical study of auroral fragmentation into patches 査読有り
Hashimoto, A., K. Shiokawa, Y. Otsuka, S.-i. Oyama, S. Nozawa, T. Hori, M. Lester, and M. G. Johnsen
J. Geophys. Res. Space Physics 2015年7月