Rchr
J-GLOBAL ID：200901034091674769   Update date: Apr. 17, 2024

Ohya Hiroyo

オオヤ ヒロヨ | Ohya Hiroyo
Affiliation and department：
Chiba University Graduate School of Engineering, Department of Electrical and Electronic Engineering

About Chiba University Graduate School of Engineering, Department of Electrical and Electronic Engineering


Job title： Assistant Professor
Research field  (1)： Space and planetary science
Research keywords  (3)： Tweek atmospherics ,  VLF/LF electromagnetic waves ,  電離圏 Ionosphere
Research theme for competitive and other funds  (7)：
  • 2021 - 2024 Study of relationship between global electric circuit and clouds
  • 2020 - 2023 Energetic electron precipitations and their impact to the middle atmosphere based on coordinated groundbased observations
  • 2018 - 2021 How Small Floating Insects Can Be Detected with High Resolution Radar - For Watching Flying Harmful Insects
  • 2018 - 2021 Investigation of 3-Dimensional Dynamics of Cumulonimbus using Multi-Frequency High-Resolution Radars and Surface Dense Observation Network
  • 2013 - 2016 Observational investigation for effects of the lightning discharges in South-east Asia on the D/E-region ionosphere
Show all
Papers (19)：
  • Hisato Iwashita, Fumiaki Kobayashi, Kazuomi Morotomi, Shigeharu Shimamura, Atsushi Higuchi, Hiroyo Ohya, Toshiaki Takano, Tamio Takamura. POTEKA Observation/Prediction Technology on the Ground Surface. URSI Radio Science Letters. 2024. 5
  • H. Ohya, T. Suzuki, F. Tsuchiya, H. Nakata, K. Shiokawa. Variation in the Reflection Height of VLF/LF Transmitter Signals in the D-Region Ionosphere and the Possible Source: A 2018 Meteoroid in Hokkaido, Japan. Radio Science. 2024. 59. 3
  • T. Watanabe, M. Kobayashi, Y. Katoh, K. Shiokawa, H. Ohya, K. Suzuki, S. Tanaka, Y. Ishihara, T. Yamada, M. Yoshikawa. Detection of very low Frequency (VLF) Radio Bursts during the Reentry of Hayabusa 2 Sample Return Capsule (2020). WGN (Journal of the International Meteor Organazation). 2023. 51. 3
  • Jaroslav Chum, Tereza Šindelářová, Petra Koucká Knížová, Kateřina Podolská, Jan Rusz, Jiří Baše, Hiroyuki Nakata, Keisuke Hosokawa, Michael Danielides, Carsten Schmidt, et al. Atmospheric and ionospheric waves induced by the Hunga eruption on 15 January 2022; Doppler sounding and infrasound. Geophysical Journal International. 2022. 233. 2. 1429-1443
  • Masaharu Nakayama, Hiroyo Ohya, Fuminori Tsuchiya, Kenro Nozaki, Kazuo Shiokawa, Hiroyuki Nakata. Horizontal Inhomogeneity in the D-Region Ionosphere During an X-Class Solar Flare Determined by OCTAVE VLF Observations. URSI Radio Science Letters. 2022. 4
ｍore...
MISC (116)：
  • 岩下久人, 小林文明, 諸富和臣, 嶋村重治, 樋口篤志, 大矢浩代, 鷹野敏明, 高村民雄. POTEKA利用の突風予測技術の精度検証報告. 大気電気学会誌(Web). 2023. 17. 1
  • 佐藤駿, 中田裕之, 穂積Kornyanat, 斎藤享, 細川敬祐, 大矢浩代. HF-STARTプロジェクトにおけるHF帯電波伝搬の減衰の評価. 大気電気学会誌(Web). 2023. 17. 1
  • 清水紘平, 中田裕之, 細川敬祐, 大矢浩代. HFドップラー観測を用いた地震に伴う異なる経路で伝搬した電離圏擾乱の解析. 大気電気学会誌(Web). 2023. 17. 1
  • 榎本陸登, 中田裕之, 細川敬祐, 大矢浩代. Analysis of Traveling Ionospheric Disturbances associated with typhoons using HF Doppler and GPS radio occultation observations. 地球電磁気・地球惑星圏学会総会及び講演会(Web). 2023. 154th
  • 清水紘平, 中田裕之, 細川敬祐, 大矢浩代. Analysis of ionospheric disturbances propagating along different paths due to earthquakes using HF Doppler observations. 地球電磁気・地球惑星圏学会総会及び講演会(Web). 2023. 154th
ｍore...
Lectures and oral presentations  (20)：
  • GPS電波掩蔽観測を用いた地震に伴う電離圏擾乱の高度分布
    (日本地球惑星科学連合大会予稿集(Web) 2018)
  • HFドップラーと微気圧計を用いた台風に伴う電離圏変動の統計解析
    (日本地球惑星科学連合大会予稿集(Web) 2018)
  • LF帯標準電波観測における電離圏高度と電気伝導度との相関
    (地球電磁気・地球惑星圏学会総会及び講演会(Web) 2017)
  • GPS-TECとHFドップラーを用いた火山噴火に伴う電離圏変動の解析
    (地球電磁気・地球惑星圏学会総会及び講演会(Web) 2017)
  • HFドップラーと微気圧計を用いた台風に伴う電離圏擾乱の解析
    (地球電磁気・地球惑星圏学会総会及び講演会(Web) 2017)
ｍore...
Works (4)：
  • Study of the ionospheric disturbance at low latitudes by using VLF/ELF waves
    2000 - 2007
  • VLF/ELF波を用いた低緯度における電離圏擾乱現象に関する研究
    2000 - 2007
  • Observation of the lower ionospheric disturbance byatmosph
  • トウィーク法による磁気嵐時の中低緯度帯D領域電離圏の応答
Education (1)：
  • - 1992 Chiba University Faculty of Science Geophysics
Professional career (1)：
  • 博士(理学) (名古屋大学)
Work history (4)：
  • 2014/10 - 現在 Chiba University Graduate School of Engineering Assistant Professor
  • 2007/04 - 2014/09 Chiba University Graduate School of Engineering Research Associate
  • 1998/04 - 2007/03 Chiba University Faculty of Engineering Research Associate
  • 1992/04 - 1998/03 Chiba University Electrical and Electronic Engineering, Faculty of Engineering
Committee career (3)：
  • 2021/01 - 現在 Earth, Planets and Space Editor
  • 2019/04 - 現在 地球電磁気・地球惑星圏学会 運営委員
  • 2015/09 - 現在 総務省情報通信審議会 専門委員
Awards (1)：
  • 2013/12 - The Society of Geomagnetism and Earth, Planetary and Space Sciences, The Seismological Society of Japan, The Volcanological Society of Japan, The Geodetic Society of Japan, and The Japanese Society for Planetary Sciences Excellent Reviewers for 2013, Earth, Planets and Space (EPS)
Association Membership(s) (2)：
American Geophysical Union ,  地球電磁気・地球惑星圏学会
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