A
Akira Kadokura
Researcher at National Institute of Polar Research
Publications - 135
Citations - 1613
Akira Kadokura is an academic researcher from National Institute of Polar Research. The author has contributed to research in topics: Substorm & Cosmic ray. The author has an hindex of 20, co-authored 124 publications receiving 1365 citations. Previous affiliations of Akira Kadokura include Graduate University for Advanced Studies.
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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
Kazuoki Munakata,Masayoshi Kozai,Chihiro Kato,Yuka Hayashi,Rumiko Kataoka,Akira Kadokura,Munetoshi Tokumaru,R. R. S. de Mendonça,Ezequiel Echer,A. Dal Lago,M. Rockenbach,Nelson Jorge Schuch,José Valentin Bageston,C. R. Braga,H. K. Al Jassar,M.M. Sharma,M. L. Duldig,J. E. Humble,Ismail Sabbah,Paul Evenson,P. S. Mangeard,T. Kuwabara,David Ruffolo,A. S'aiz,W. Mitthumsiri,W. Nuntiyakul,József Kóta +26 more
TL;DR: In this article , the authors analyzed the cosmic-ray variations during a significant Forbush decrease observed with worldwide networks of ground-based neutron monitors and muon detectors during 2021 November 3-5.
Journal ArticleDOI
Japanese polar patrol balloon experiments from 2002 to 2004
Naoki Izutsu,Issei Iijima,T. Kawasaki,Yukihiko Matsuzaka,Michiyoshi Namiki,Shigeo Ohta,Yoshitaka Saito,Michihiko Toriumi,Takamasa Yamagami,Yusuke Ebihara,M. Ejiri,Akira Kadokura,Natsuo Sato,Hisao Yamagishi,Y. Katayose,Y. Tomida,M. Fujii,Katsuaki Kasahara,H. Murakami,Y. Konno,S. Uchiyama +20 more
TL;DR: In this paper, the authors developed a new housekeeping system including communication device using the Iridium satellite network, an auto-level controller driven by a new program for keeping the flight altitude, and a power management system for solar cells combined with secondary batteries.
Simultaneous observations of noctilucent clouds and polar mesosphere summer echoes at Syowa Station, Antarctica
Keisuke Hosokawa,Yasuo Takeda,Tadahiko Ogawa,Akira Kadokura,Akira Sessai Yukimatu,Natsuo Sato +5 more
TL;DR: Hosokawa et al. as discussed by the authors reported simultaneous observations of visible noctilucent clouds (NLC) and polar mesosphere summer echoes (PMSE) at Syowa Station (69°01′S, 38°61′E) in Antarctica.
Journal ArticleDOI
Eastward-expanding auroral surges observed in the post-midnight sector during a multiple-onset substorm
Yoshimasa Tanaka,Yoshimasa Tanaka,Yasunobu Ogawa,Yasunobu Ogawa,Akira Kadokura,Akira Kadokura,Noora Partamies,Noora Partamies,Daniel Whiter,Carl-Fredrik Enell,Urban Brandstrom,Tima Sergienko,Björn Gustavsson,Alexander Kozlovsky,Hiroshi Miyaoka,Hiroshi Miyaoka,Akimasa Yoshikawa +16 more
TL;DR: In this article, three eastwardexpanding auroral surge (EEAS) events were observed intermittently at intervals of about 15 min in the post-midnight sector (01:55-02:40 MLT) by all-sky imagers and magnetometers in northern Europe.