研究者詳細 - 西谷　望

論文 - 西谷　望

分割表示 96 件中 1 - 20 件目／全件表示 >>

Multi-Event Analysis of STEVE, SAR Arc, and Red/Green Arc at Subauroral Latitudes Using Data From Ground Optical and Radio Instruments and the Arase and Van Allen Probes Satellites

Sugimura, R; Shiokawa, K; Otsuka, Y; Oyama, S; Oksanen, A; Connors, M; Kadokura, A; Poddelsky, I; Nishitani, N; Shepherd, SG; Ruohoniemi, JM; Smith, C; Spence, H; Reeves, G; Funsten, HO; Miyoshi, Y; Shinohara, I; Kasahara, Y; Tsuchiya, F; Kumamoto, A; Shinbori, A; Asamura, K; Yokota, S; Kazama, Y; Jun, CW; Wang, SY; Tam, SWY; Chang, TF; Wang, BJ; Kasahara, S; Keika, K; Hori, T; Matsuoka, A

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 130 巻 ( 2 ) 2025年2月

Auroral and Magnetotail Dynamics During Quiet-Time STEVE and SAID

Nishimura, Y; Gallardo-Lacourt, B; Donovan, EF; Angelopoulos, V; Nishitani, N

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 129 巻 ( 11 ) 2024年11月

Polarization and <i>m</i>-Number Characteristics of Mid-Latitude Pc5 ULF Waves Observed by SuperDARN Radars

Morita, K; Ponomarenko, P; Nishitani, N; Hori, T; Shepherd, SG

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 129 巻 ( 9 ) 2024年9月

Obtaining Continental-Scale, High-Resolution 2-D Ionospheric Flows and Application to Meso-Scale Flow Science

Nishimura, Y; Lyons, LR; Deng, Y; Sheng, C; Bristow, WA; Donovan, EF; Angelopoulos, V; Nishitani, N

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 129 巻 ( 8 ) 2024年8月

Magnetic Storm-Time Red Aurora as Seen From Hokkaido, Japan on 1 December 2023 Associated With High-Density Solar Wind

Kataoka, R; Miyoshi, Y; Shiokawa, K; Nishitani, N; Keika, K; Amano, T; Seki, K

GEOPHYSICAL RESEARCH LETTERS 51 巻 ( 12 ) 2024年6月

Thermospheric Wind Response to March 2023 Storm: Largest Wind Ever Observed With a Fabry-Perot Interferometer in Tromsø, Norway Since 2009

Oyama, S; Vanhamäki, H; Cai, L; Shinbori, A; Hosokawa, K; Sakanoi, T; Shiokawa, K; Aikio, A; Virtanen, II; Ogawa, Y; Miyoshi, Y; Kurita, S; Nishitani, N

SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS 22 巻 ( 3 ) 2024年3月

Space weather with an arc's ∼2 h trip across the nightside polar cap

Lyons, LR; Nishimura, Y; Liu, J; Yadav, S; Zou, Y; Bristow, WA; Donovan, E; Nishitani, N

FRONTIERS IN ASTRONOMY AND SPACE SCIENCES 10 巻 2024年1月

New aspects of the upper atmospheric disturbances caused by the explosive eruption of the 2022 Hunga Tonga-Hunga Ha'apai volcano

Shinbori, A; Otsuka, Y; Sori, T; Nishioka, M; Septi, P; Tsuda, T; Nishitani, N; Kumamoto, A; Tsuchiya, F; Matsuda, S; Kasahara, Y; Matsuoka, A; Nakamura, S; Miyoshi, Y; Shinohara, I

EARTH PLANETS AND SPACE 75 巻 ( 1 ) 2023年11月

Nightside High-Latitude Phase and Amplitude Scintillation During a Substorm Using 1-Second Scintillation Indices

Nishimura, Y; Kelly, T; Jayachandran, PT; Mrak, S; Semeter, JL; Donovan, EF; Angelopoulos, V; Nishitani, N

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128 巻 ( 8 ) 2023年8月

IMF Dependence of Midnight Bifurcation in the Thermospheric Wind at an Auroral Latitude Based on Nine Winter Measurements in Tromso, Norway

Oyama, S; Hosokawa, K; Vanhamäki, H; Aikio, A; Sakanoi, T; Cai, L; Virtanen, II; Shiokawa, K; Nishitani, N; Shinbori, A; Ogawa, Y

GEOPHYSICAL RESEARCH LETTERS 50 巻 ( 14 ) 2023年7月

Geomagnetic activity dependence and dawn-dusk asymmetry of thermospheric winds from 9-year measurements with a Fabry-Perot interferometer in Tromso, Norway

Oyama, SI; Aikio, A; Sakanoi, T; Hosokawa, K; Vanhamäki, H; Cai, L; Virtanen, I; Pedersen, M; Shiokawa, K; Shinbori, A; Nishitani, N; Ogawa, Y

EARTH PLANETS AND SPACE 75 巻 ( 1 ) 2023年5月

Unsolved problems: Mesoscale polar cap flow channels' structure, propagation, and effects on space weather disturbances

Lyons, LR; Nishimura, Y; Liu, J; Zou, Y; Bristow, WA; Yadav, S; Donovan, E; Nishitani, N; Shiokawa, K; Hosokawa, K

FRONTIERS IN ASTRONOMY AND SPACE SCIENCES 10 巻 2023年4月

First Detection of Midlatitude Plasma Bubble by SuperDARN During a Geomagnetic Storm on May 27 and 28, 2017

Sori, T; Shinbori, A; Otsuka, Y; Nishioka, M; Perwitasari, S; Nishitani, N

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128 巻 ( 4 ) 2023年4月

Special issue "20th anniversary issue: earth, planetary, and space science in the next decade"

Ogawa, Y; Nishitani, N; Furuya, M; Acocella, V; Hussmann, H

EARTH PLANETS AND SPACE 75 巻 ( 1 ) 2023年1月

A Statistical Study of Longitudinal Extent of Pc1 Pulsations Using Seven PWING Ground Stations at Subauroral Latitudes

Liu, J; Shiokawa, K; Oyama, SI; Otsuka, Y; Jun, CW; Nose, M; Nagatsuma, T; Sakaguchi, K; Kadokura, A; Ozaki, M; Connors, M; Baishev, D; Nishitani, N; Oinats, A; Kurkin, V; Raita, T

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128 巻 ( 1 ) 2023年1月

Oscillations of the Ionosphere Caused by the 2022 Tonga Volcanic Eruption Observed With SuperDARN Radars

Zhang, JJ; Xu, JY; Wang, W; Wang, GJ; Ruohoniemi, JM; Shinbori, A; Nishitani, N; Wang, C; Deng, X; Lan, AL; Yan, JY

GEOPHYSICAL RESEARCH LETTERS 49 巻 ( 20 ) 2022年10月

Geospace Concussion: Global Reversal of Ionospheric Vertical Plasma Drift in Response to a Sudden Commencement

Shi, XL; Lin, D; Wang, WB; Baker, JBH; Weygand, JM; Hartinger, MD; Merkin, VG; Ruohoniemi, JM; Pham, K; Wu, HN; Angelopoulos, V; McWilliams, KA; Nishitani, N; Shepherd, SG

GEOPHYSICAL RESEARCH LETTERS 49 巻 ( 19 ) 2022年10月

Unified Theory of the Arc Auroras: Formation Mechanism of the Arc Auroras Conforming General Principles of Convection and FAC Generation

Tanaka, T; Watanabe, M; Ebihara, Y; Fujita, S; Nishitani, N; Kataoka, R

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 127 巻 ( 9 ) 2022年9月

Interpretation of the Theta Aurora Based on the Null-Separator Structure

Tanaka, T; Ebihara, Y; Watanabe, M; Fujita, S; Nishitani, N; Kataoka, R

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 127 巻 ( 8 ) 2022年8月

Electromagnetic conjugacy of ionospheric disturbances after the 2022 Hunga Tonga-Hunga Ha'apai volcanic eruption as seen in GNSS-TEC and SuperDARN Hokkaido pair of radars observations

Shinbori, A; Otsuka, Y; Sori, T; Nishioka, M; Perwitasari, S; Tsuda, T; Nishitani, N

EARTH PLANETS AND SPACE 74 巻 ( 1 ) 2022年7月

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