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National Institute of Polar Research: Tokyo, JP

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AKIRA KADOKURA

Works (19)

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

Journal of Geophysical Research: Space Physics
2025-02 | Journal article
DOI: 10.1029/2024JA032793
Contributors: Rei Sugimura; Kazuo Shiokawa; Yuichi Otsuka; Shin‐ichiro Oyama; Arto Oksanen; Martin Connors; Akira Kadokura; Igor Poddelsky; Nozomu Nishitani; Simon G. Shepherd et al.
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Crossref

AMIDER: A Multidisciplinary Research Database and Its Application to Promote Open Science

Data Science Journal
2025-02-05 | Journal article
DOI: 10.5334/dsj-2025-007
Contributors: Masayoshi Kozai; Yoshimasa Tanaka; Shuji Abe; Yasuyuki Minamiyama; Atsuki Shinbori; Akira Kadokura
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Crossref

Cosmic-Ray North–South Anisotropy: Rigidity Spectrum and Solar Cycle Variations Observed by Ground-based Muon Detectors

The Astrophysical Journal
2024-12-01 | Journal article
DOI: 10.3847/1538-4357/ad8577
Contributors: M. Kozai; Y. Hayashi; K. Fujii; K. Munakata; C. Kato; N. Miyashita; A. Kadokura; R. Kataoka; S. Miyake; M. L. Duldig et al.
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Global Analysis of the Extended Decreases in Cosmic Rays Observed with Worldwide Networks of Neutron Monitors and Muon Detectors: Temporal Variation of the Rigidity Spectrum and Its Implication

The Astrophysical Journal
2024-10-01 | Journal article
DOI: 10.3847/1538-4357/ad7466
Contributors: K. Munakata; Y. Hayashi; M. Kozai; C. Kato; N. Miyashita; R. Kataoka; A. Kadokura; S. Miyake; K. Iwai; E. Echer et al.
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Crossref

Spatiotemporal Development of Cosmic Noise Absorption at Subauroral Latitudes Using Multipoint Ground‐Based Riometers

Journal of Geophysical Research: Space Physics
2024-07 | Journal article
DOI: 10.1029/2023JA032206
Contributors: Yuto Kato; Kazuo Shiokawa; Yoshimasa Tanaka; Mitsunori Ozaki; Akira Kadokura; Shin‐ichiro Oyama; Alexey Oinats; Martin Connors; Dmitry Baishev
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Crossref

Longitudinal Development of Cosmic Noise Absorption Based on Multipoint Observations at Subauroral Latitudes During Storm‐Time Substorms on 25–28 August 2018

Journal of Geophysical Research: Space Physics
2024-01 | Journal article
DOI: 10.1029/2023JA031950
Contributors: Yuto Kato; Kazuo Shiokawa; Yoshimasa Tanaka; Mitsunori Ozaki; Akira Kadokura; Shin‐ichiro Oyama; Alexey Oinats; Martin Connors; Dmitry Baishev
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Crossref

An Alternative Methodology of Fair‐Weather Identification for Ground‐Based Measurement of AEF at the Polar Region

Journal of Geophysical Research: Atmospheres
2023-03-16 | Journal article
DOI: 10.1029/2021JD035732
Contributors: Yasuhiro Minamoto; Masashi Kamogawa; Akira Kadokura; Mitsuteru Sato; Satoshi Omiya
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Crossref

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

Journal of Geophysical Research: Space Physics
2023-01 | Journal article
DOI: 10.1029/2021JA029987
Contributors: Jie Liu; Kazuo Shiokawa; Shin‐Ichiro Oyama; Yuichi Otsuka; Chae‐Woo Jun; Masahito Nosé; Tsutomu Nagatsuma; Kaori Sakaguchi; Akira Kadokura; Mitsunori Ozaki et al.
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Crossref

Mesospheric ionization during substorm growth phase

Journal of Space Weather and Space Climate
2022 | Journal article
DOI: 10.1051/swsc/2022012
Contributors: Kiyoka Murase; Ryuho Kataoka; Takanori Nishiyama; Koji Nishimura; Taishi Hashimoto; Yoshimasa Tanaka; Akira Kadokura; Yoshihiro Tomikawa; Masaki Tsutsumi; Yasunobu Ogawa et al.
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Modeling the Effects of Drift Shell Splitting in Two Case Studies of Simultaneous Observations of Substorm‐Driven Pi1B and IPDP‐Type EMIC Waves

Journal of Geophysical Research: Space Physics
2022-10 | Journal article
DOI: 10.1029/2022JA030600
Contributors: Michelle Salzano; Marc R. Lessard; Sungjun Noh; Hyomin Kim; Colin Waters; Mark J. Engebretson; Richard Horne; Mark Clilverd; Akira Kadokura; Yoshimasa Tanaka et al.
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Large-amplitude Bidirectional Anisotropy of Cosmic-Ray Intensity Observed with Worldwide Networks of Ground-based Neutron Monitors and Muon Detectors in 2021 November

The Astrophysical Journal
2022-10-01 | Journal article
DOI: 10.3847/1538-4357/ac91c5
Contributors: K. Munakata; M. Kozai; C. Kato; Y. Hayashi; R. Kataoka; A. Kadokura; M. Tokumaru; R. R. S. Mendonça; E. Echer; A. Dal Lago et al.
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Crossref

Activities of the Polar Environment Data Science Center of ROIS-DS, Japan

Data Science Journal
2022-04-20 | Journal article
DOI: 10.5334/dsj-2022-012
Contributors: Akira Kadokura; Masaki Kanao; Hironori Yabuki; Yoshimasa Tanaka; Koji Nishimura
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Magnetic Field and Energetic Particle Flux Oscillations and High‐Frequency Waves Deep in the Inner Magnetosphere During Substorm Dipolarization: ERG Observations

Journal of Geophysical Research: Space Physics
2021-09 | Journal article
DOI: 10.1029/2020JA029095
Contributors: Yukinaga Miyashita; Tzu‐Fang Chang; Yoshizumi Miyoshi; Tomoaki Hori; Akira Kadokura; Satoshi Kasahara; Shiang‐Yu Wang; Kunihiro Keika; Ayako Matsuoka; Yoshimasa Tanaka et al.
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Daytime Pc5 Diffuse Auroral Pulsations and Their Association With Outer Magnetospheric ULF Waves

Journal of Geophysical Research: Space Physics
2021-08 | Journal article
DOI: 10.1029/2021JA029218
Contributors: T. Motoba; Y. Ogawa; Y. Ebihara; A. Kadokura; A. J. Gerrard; A. T. Weatherwax
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Crossref

A new cosmic ray observation at Syowa Station in the antarctic

2021-06-15 | Book chapter
DOI: 10.38072/2748-3150/p19
Contributors: Chihiro Kato; Wataru Kihara; Yukino Ko; Kazuoki Munakata; Shin-ichi Uchida; Sou Kaimi; Ryuho Kataoka; Akira Kadokura; Paul Evenson; Yoshiaki Nakamura et al.
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A Peculiar ICME Event in August 2018 Observed With the Global Muon Detector Network

Space Weather
2021-03 | Journal article
DOI: 10.1029/2020SW002531
Contributors: W. Kihara; K. Munakata; C. Kato; R. Kataoka; A. Kadokura; S. Miyake; M. Kozai; T. Kuwabara; M. Tokumaru; R. R. S. Mendonça et al.
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Crossref

Magnetic Conjugacy of Pc1 Waves and Isolated Proton Precipitation at Subauroral Latitudes: Importance of Ionosphere as Intensity Modulation Region

Geophysical Research Letters
2021-03-16 | Journal article
DOI: 10.1029/2020GL091384
Contributors: Mitsunori Ozaki; Kazuo Shiokawa; Richard B. Horne; Mark J. Engebretson; Marc Lessard; Yasunobu Ogawa; Keisuke Hosokawa; Masahito Nosé; Yusuke Ebihara; Akira Kadokura et al.
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Asymmetric Development of Auroral Surges in the Northern and Southern Hemispheres

Geophysical Research Letters
2020-07-16 | Journal article
DOI: 10.1029/2020GL088750
Contributors: H. A. Uchida; R. Kataoka; A. Kadokura; K. Murase; A. S. Yukimatu; Y. Miyoshi; K. Shiokawa; Y. Ebihara; K. Hosokawa; A. Matsuoka et al.
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Direct Comparison Between Magnetospheric Plasma Waves and Polar Mesosphere Winter Echoes in Both Hemispheres

Journal of Geophysical Research: Space Physics
2019-11 | Journal article
DOI: 10.1029/2019JA026891
Contributors: Y.‐M. Tanaka; T. Nishiyama; A. Kadokura; M. Ozaki; Y. Miyoshi; K. Shiokawa; S.‐I. Oyama; R. Kataoka; M. Tsutsumi; K. Nishimura et al.
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