研究者詳細 - 大塚　雄一

論文 - 大塚　雄一

分割表示 484 件中 141 - 160 件目／全件表示 >>

Propagation Direction Analyses of Medium-Scale Traveling Ionospheric Disturbances Observed Over North America With GPS-TEC Perturbation Maps by Three-Dimensional Spectral Analysis Method

Perwitasari, S; Nakamura, T; Tsugawa, T; Nishioka, M; Tomikawa, Y; Ejiri, MK; Kogure, M; Otsuka, Y; Shinbori, A; Jin, H; Tao, C

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 127 巻 ( 1 ) 2022年1月

Propagation Mechanism of Medium Wave Broadcasting Waves Observed by the Arase Satellite: Hectometric Line Spectra

Hashimoto, K; Shinbori, A; Otsuka, Y; Tsuchiya, F; Kumamoto, A; Kasahara, Y; Matsuoka, A; Nagano, I; Miyoshi, Y; Yokoyama, T

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 11 ) 2021年11月

Isolated Proton Aurora Driven by EMIC Pc1 Wave: PWING, Swarm, and NOAA POES Multi-Instrument Observations

Kim, H; Shiokawa, K; Park, J; Miyoshi, Y; Miyashita, Y; Stolle, C; Connor, HK; Hwang, J; Buchert, S; Kwon, HJ; Nakamura, S; Nakamura, K; Oyama, SI; Otsuka, Y; Nagatsuma, T; Sakaguchi, K

GEOPHYSICAL RESEARCH LETTERS 48 巻 ( 18 ) 2021年9月

Plasma depletions lasting into daytime during the recovery phase of a geomagnetic storm in May 2017: Analysis and simulation of GPS total electron content observations

Otsuka, Y; Shinbori, A; Sori, T; Tsugawa, T; Nishioka, M; Huba, JD

EARTH AND PLANETARY PHYSICS 5 巻 ( 5 ) 頁： 427 - 434 2021年9月

Multi-instrument study of longitudinal wave structures for plasma bubble seeding in the equatorial ionosphere

Takahashi, H; Essien, P; Figueiredo, CAO; Wrasse, CM; Barros, D; Abdu, MA; Otsuka, Y; Shiokawa, K; Li, GZ

EARTH AND PLANETARY PHYSICS 5 巻 ( 5 ) 頁： 368 - 377 2021年9月

First Simultaneous Observation of a Night Time Medium-Scale Traveling Ionospheric Disturbance From the Ground and a Magnetospheric Satellite

Kawai, K; Shiokawa, K; Otsuka, Y; Oyama, S; Kasaba, Y; Kasahara, Y; Tsuchiya, F; Kumamoto, A; Nakamura, S; Matsuoka, A; Imajo, S; Kazama, Y; Wang, SY; Tam, SWY; Chang, TF; Wang, BJ; Asamura, K; Kasahara, S; Yokota, S; Keika, K; Hori, T; Miyoshi, Y; Jun, C; Shoji, M; Shinohara, I

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 9 ) 2021年9月

Coupled investigations of ionosphere variations over European and Japanese regions: observations, comparative analysis, and validation of models and facilities

Panasenko, SV; Kotov, D; Otsuka, Y; Yamamoto, M; Hashiguchi, H; Richards, PG; Truhlik, V; Bogomaz, O; Shulha, MO; Zhivolup, TG; Domnin, IF

PROGRESS IN EARTH AND PLANETARY SCIENCE 8 巻 ( 1 ) 2021年8月

PSTEP: project for solar-terrestrial environment prediction

Kusano, K; Ichimoto, K; Ishii, M; Miyoshi, Y; Yoden, S; Akiyoshi, H; Asai, A; Ebihara, Y; Fujiwara, H; Goto, TN; Hanaoka, Y; Hayakawa, H; Hosokawa, K; Hotta, H; Hozumi, K; Imada, S; Iwai, K; Iyemori, T; Jin, H; Kataoka, R; Katoh, Y; Kikuchi, T; Kubo, Y; Kurita, S; Matsumoto, H; Mitani, T; Miyahara, H; Miyoshi, Y; Nagatsuma, T; Nakamizo, A; Nakamura, S; Nakata, H; Nishizuka, N; Otsuka, Y; Saito, S; Saito, S; Sakurai, T; Sato, T; Shimizu, T; Shinagawa, H; Shiokawa, K; Shiota, D; Takashima, T; Tao, C; Toriumi, S; Ueno, S; Watanabe, K; Watari, S; Yashiro, S; Yoshida, K; Yoshikawa, A

EARTH PLANETS AND SPACE 73 巻 ( 1 ) 頁： 159 2021年8月

記述言語：英語出版者・発行元：Springer Science and Business Media LLC

<jats:title>Abstract</jats:title><jats:p>Although solar activity may significantly impact the global environment and socioeconomic systems, the mechanisms for solar eruptions and the subsequent processes have not yet been fully understood. Thus, modern society supported by advanced information systems is at risk from severe space weather disturbances. Project for solar–terrestrial environment prediction (PSTEP) was launched to improve this situation through synergy between basic science research and operational forecast. The PSTEP is a nationwide research collaboration in Japan and was conducted from April 2015 to March 2020, supported by a Grant-in-Aid for Scientific Research on Innovative Areas from the Ministry of Education, Culture, Sports, Science and Technology of Japan. By this project, we sought to answer the fundamental questions concerning the solar–terrestrial environment and aimed to build a next-generation space weather forecast system to prepare for severe space weather disasters. The PSTEP consists of four research groups and proposal-based research units. It has made a significant progress in space weather research and operational forecasts, publishing over 500 refereed journal papers and organizing four international symposiums, various workshops and seminars, and summer school for graduate students at Rikubetsu in 2017. This paper is a summary report of the PSTEP and describes the major research achievements it produced.</jats:p>

DOI： 10.1186/s40623-021-01486-1

Web of Science

Scopus

その他リンク： https://link.springer.com/article/10.1186/s40623-021-01486-1/fulltext.html

What controls the luminosity of polar cap airglow patches?: Implication from airglow measurements in Eureka, Canada in comparison with SuperDARN convection pattern

Hosokawa, K; Nagata, M; Shiokawa, K; Otsuka, Y

POLAR SCIENCE 28 巻 2021年6月

The Occurrence Feature of Plasma Bubbles in the Equatorial to Midlatitude Ionosphere During Geomagnetic Storms Using Long-Term GNSS-TEC Data

Sori, T; Shinbori, A; Otsuka, Y; Tsugawa, T; Nishioka, M

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 5 ) 2021年5月

Simultaneous Observation of Two Isolated Proton Auroras at Subauroral Latitudes by a Highly Sensitive All-Sky Camera and Van Allen Probes

Nakamura, K; Shiokawa, K; Otsuka, Y; Shinbori, A; Miyoshi, Y; Connors, M; Spence, H; Reeves, G; Funsten, HO; MacDowall, R; Smith, C; Wygant, J; Bonnell, J

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 5 ) 2021年5月

Influence of Zonal Wind Velocity Variation on Equatorial Plasma Bubble Occurrences Over Southeast Asia

Sarudin, I; Hamid, NSA; Abdullah, M; Buhari, SM; Shiokawa, K; Otsuka, Y; Hozumi, K; Jamjareegulgarn, P

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 5 ) 2021年5月

Model-based reproduction and validation of the total spectra of a solar flare and their impact on the global environment at the X9.3 event of September 6, 2017

Watanabe, K; Jin, H; Nishimoto, S; Imada, S; Kawai, T; Kawate, T; Otsuka, Y; Shinbori, A; Tsugawa, T; Nishioka, M

EARTH PLANETS AND SPACE 73 巻 ( 1 ) 2021年4月

Multi-Event Analysis of Plasma and Field Variations in Source of Stable Auroral Red (SAR) Arcs in Inner Magnetosphere During Non-Storm-Time Substorms

Inaba, Y; Shiokawa, K; Oyama, S; Otsuka, Y; Connors, M; Schofield, I; Miyoshi, Y; Imajo, S; Shinbori, A; Gololobov, AY; Kazama, Y; Wang, SY; Tam, SWY; Chang, TF; Wang, BJ; Asamura, K; Yokota, S; Kasahara, S; Keika, K; Hori, T; Matsuoka, A; Kasahara, Y; Kumamoto, A; Matsuda, S; Kasaba, Y; Tsuchiya, F; Shoji, M; Kitahara, M; Nakamura, S; Shinohara, I; Spence, HE; Reeves, GD; Macdowall, RJ; Smith, CW; Wygant, JR; Bonnell, JW

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 4 ) 2021年4月