Yokoyama Tatsuhiro 横山竜宏

… Alternative Names

YOKOYAMA Tatsuhiro 横山竜宏

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Researcher Number	30397525
Other IDs	https://orcid.org/0000-0001-8392-6455
Affiliation (Current)	2026: 京都大学, 生存圏研究所, 教授
Affiliation (based on the past Project Information) *help	2017 – 2025: 京都大学, 生存圏研究所, 准教授 2016 – 2019: 国立研究開発法人情報通信研究機構, 電磁波研究所宇宙環境研究室, 主任研究員 2016: (独)情報通信研究機構, 電磁波研究所, 主任研究員 2015: 国立研究開発法人情報通信研究機構, 電磁波計測研究所宇宙環境インフォマティクス研究室, 研究員 2014: (独)情報通信研究機構, 電磁波計測研究所, 主任研究員
Review Section/Research Field	Principal Investigator Basic Section 17010:Space and planetary sciences-related / Space and upper atmospheric physics Except Principal Investigator Space and upper atmospheric physics / Medium-sized Section 17:Earth and planetary science and related fields / Basic Section 17010:Space and planetary sciences-related / Science and Engineering
Keywords	Principal Investigator 電離圏 / シミュレーション / プラズマバブル / IRIモデル / 機械学習 / イオノゾンデ / GAIA / 計算物理 / 自然現象観測・予測 / 磁気圏・電離圏 / 超高層物理学 / シンチレーション / MSTID … More Except Principal Investigator … More 地球科学 / 宇宙科学 / 電離圏 / オーロラ / 赤道スプレッドF現象 / 地球惑星電離圏 / long-term trend / 電離圏不規則構造 / 地上ネットワーク観測 / 夜間大気光 / 緯度間結合 / 超高層大気 / GNSS-TEC観測 / 衛生データ解析 / 全地球大気モデル / 衛星データ解析 / GPS-TEC観測 / レーダー観測 / 赤道プラズマバブル / 地上観測ネットワーク / プラズマバブル / 宇宙天気予報 / ジオスペース / 多周波共用アンテナ / ディジタル受信機 / ビーコン衛星 / 国際共同研究 / アジア太平洋 / 衛星ビーコン観測 / 赤道大気レーダー / 中規模伝搬性電離圏擾乱 / 地上観測 / ロケット観測 / 地球惑星上層大気 Less

CO2上昇による超高層寒冷化はメソスケール電離圏不規則構造にどう影響するのか
- Principal Investigator
  
  Liu Huixin
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17010:Space and planetary sciences-related
- Research Institution
  Kyushu University
Management of long-term ionospheric observation by machine learning and contribution to International Reference Ionosphere modelPrincipal Investigator
- Principal Investigator
  
  横山竜宏
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 17010:Space and planetary sciences-related
- Research Institution
  Kyoto University
International joint research of geospace variability by combining multi-point ground and satellite observations and modeling
- Principal Investigator
  
  塩川和夫
- Project Period (FY)
  2022 – 2028
- Research Category
  
  Fund for the Promotion of Joint International Research (International Leading Research )
- Review Section
  
  Science and Engineering
- Research Institution
  Nagoya University
Study of latitudinal coupling of upper atmospheric variations based on multi-point ground network observations
- Principal Investigator
  
  塩川和夫
- Project Period (FY)
  2021 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 17:Earth and planetary science and related fields
- Research Institution
  Nagoya University
Study of ionospheric disturbances by coupling of global and local ionospheric numerical modelsPrincipal Investigator
- Principal Investigator
  
  Yokoyama Tatsuhiro
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 17010:Space and planetary sciences-related
- Research Institution
  Kyoto University
International study of equatorial ionosphere based on observations and models
- Principal Investigator
  
  山本衛
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 17:Earth and planetary science and related fields
- Research Institution
  Kyoto University
Ionospheric irregularities in low-mid latitudes and effects over Japanese ionospherePrincipal Investigator
- Principal Investigator
  
  Yokoyama Tatsuhiro
- Project Period (FY)
  2016 – 2019
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Kyoto University
  National Institute of Information and Communications Technology
Study of spatio-temporal fluctuation of low latitude ionosphere by using new satellite-ground beacon observation and Equatorial Atmospheric Radar
- Principal Investigator
  
  Yamamoto Mamoru
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Kyoto University
Study of relations between Equatorial Spread-F and ionospheric structures with Equatorial Atmosphere Radar and wide-area observation network
- Principal Investigator
  
  Yamamoto Mamoru
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Kyoto University
Study of generation mechanism of middle-latitude ionospheric wave by rocket and ground-based observations
- Principal Investigator
  
  YAMAMOTO Mamoru
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Kyoto University

[Book] Low and midlatitude ionospheric plasma density irregularities and their effects on geomagnetic field, Earth's Magnetic Field, Space Science Series of ISSI vol. 60, Earth's Magnetic Field -- Understanding Geomagnetic Sources from the Earth's Interior and its Environment, Edited by C. Stolle, N. Olsen et al., pages 503-5272017
- Author(s)
  Yokoyama, T., and C. Stolle
- Total Pages
  626
- Publisher
  Springer
- ISBN
  9789402412246
- Data Source
  KAKENHI-PROJECT-15H02135
[Journal Article] Observations of daytime topside ionospheric irregularities in the afternoon equatorial ionosphere2025
- Author(s)
  Jiang Chunhua、Wei Lehui、Yokoyama Tatsuhiro、Tian Rong、Liu Tongxin、Yang Guobin
- Journal Title
  
  Advances in Space Research
  
  Volume: 75 Issue: 1 Pages: 908-917
- DOI
  10.1016/j.asr.2024.09.017
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197, KAKENHI-PROJECT-21H04518, KAKENHI-PROJECT-22K21345
[Journal Article] Satellite Traces: Ionogram Signatures of Bottom-Side Upwelling Structures - A Simulation Study2025
- Author(s)
  Ankita, M., S. Tulasi Ram, T. Yokoyama, R. T. Tsunoda, A. P. Dimri, S. Mondal, and Chinmaya. Nayak
- Journal Title
  
  Geophys. Res. Lett.
  
  Volume: 52 Issue: 7
- DOI
  10.1029/2024gl114119
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21345
[Journal Article] Resolving the generation mechanisms and electrodynamical effects of Medium Scale Traveling Ionospheric Disturbances (MSTIDs)2025
- Author(s)
  Klenzing, J., K. Zawdie, E. Astafyeva, A. Belehaki, M. Burleigh, A. G. Burrell, C. A. O. B. Figueiredo, N. A. Frissell, W. Fu, D. Hickey, J. Huba, P. Inchin, S. R. Kaeppler, V. L. Narayanan, M. Sivakandan, J. Smith, C. Xiong, T. Yokoyama, M. Zettergren, and S.-R. Zhang
- Journal Title
  
  Frontiers in Astronomy and Space Sciences
  
  Volume: 12
- DOI
  10.3389/fspas.2025.1539821
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197, KAKENHI-PROJECT-21H04518, KAKENHI-PROJECT-22K21345
[Journal Article] Calibrating estimates of ionospheric long-term change2024
- Author(s)
  Scott Christopher John、Wild Matthew N.、Barnard Luke Anthony、Yu Bingkun、Yokoyama Tatsuhiro、Lockwood Michael、Mitchel Cathryn、Coxon John、Kavanagh Andrew
- Journal Title
  
  Annales Geophysicae
  
  Volume: 42 Issue: 2 Pages: 395-418
- DOI
  10.5194/angeo-42-395-2024
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197, KAKENHI-PROJECT-21H04518, KAKENHI-PROJECT-22K21345
[Journal Article] Simulation study of the impacts of E-region density on the growth of equatorial plasma bubbles2024
- Author(s)
  Yokoyama Tatsuhiro
- Journal Title
  
  Frontiers in Astronomy and Space Sciences
  
  Volume: 11
- DOI
  10.3389/fspas.2024.1502618
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H00197, KAKENHI-PROJECT-21H04518, KAKENHI-PROJECT-22K21345
[Journal Article] Investigation of the Occurrence Characteristics and Possible Origins of Daytime Spread F Irregularities in Low Latitude Region2024
- Author(s)
  Wei, L., C. Jiang, T. Yokoyama, J. Liu, G. Yang, and Y. Hu
- Journal Title
  
  J. Geophys. Res. Space Physics
  
  Volume: 129 Issue: 1
- DOI
  10.1029/2023ja031809
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21345, KAKENHI-PROJECT-20K04037, KAKENHI-PROJECT-21H04518, KAKENHI-PROJECT-20H00197
[Journal Article] Channel Mixer Layer: Multimodal Fusion Toward Machine Reasoning for Spatiotemporal Predictive Learning of Ionospheric Total Electron Content2024
- Author(s)
  Liu, P., T. Yokoyama, T. Sori, and M. Yamamoto
- Journal Title
  
  Space Weather
  
  Volume: 22
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K21345
[Journal Article] Channel Mixer Layer: Multimodal Fusion Toward Machine Reasoning for Spatiotemporal Predictive Learning of Ionospheric Total Electron Content2024
- Author(s)
  Liu Peng、Yokoyama Tatsuhiro、Sori Takuya、Yamamoto Mamoru
- Journal Title
  
  Space Weather
  
  Volume: 22 Issue: 12
- DOI
  10.1029/2024sw004121
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H00197, KAKENHI-PROJECT-21H04518, KAKENHI-PROJECT-24KJ0125
[Journal Article] Modeling of Multi-Ion Plasma Bubbles in the Equatorial Ionosphere2023
- Author(s)
  Jiang, C., L. Wei, T. Yokoyama, R. Tian, T. Liu, and G. Yang
- Journal Title
  
  J. Geophys. Res. Space Physics
  
  Volume: 128 Issue: 10
- DOI
  10.1029/2023ja031753
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21345, KAKENHI-PROJECT-20K04037, KAKENHI-PROJECT-21H04518, KAKENHI-PROJECT-20H00197
[Journal Article] Effect of the seed perturbation amplitude on the equatorial spread F initiation during solar minimum2023
- Author(s)
  Afolayan AO、Mandeep JS、Abdullah M、S A Hamid N、Yokoyama T
- Journal Title
  
  Advances in Space Research
  
  Volume: 71 Issue: 1 Pages: 255-267
- DOI
  10.1016/j.asr.2022.09.035
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037, KAKENHI-PROJECT-20H00197
[Journal Article] Nighttime Midlatitude E-F Coupling in Geomagnetic Conjugate Ionospheres: A Double Thin Shell Model and a Multi-Source Data Investigation2023
- Author(s)
  Fu, W., T. Yokoyama, N. Ssessanga, G, Ma, and M. Yamamoto
- Journal Title
  
  J. Geophys. Res. Space Physics
  
  Volume: 123 Issue: 3
- DOI
  10.1029/2022ja031074
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21345, KAKENHI-PROJECT-21H04518, KAKENHI-PROJECT-20H00197
[Journal Article] A three-dimensional stochastic structure model derived from high-resolution isolated equatorial plasma bubble simulations2023
- Author(s)
  Rino, C., T. Yokoyama, and C. Carrano
- Journal Title
  
  Earth, Planets and Space
  
  Volume: 75 Issue: 1 Pages: 64-64
- DOI
  10.1186/s40623-023-01823-6
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21345, KAKENHI-PROJECT-20K04037, KAKENHI-PROJECT-21H04518, KAKENHI-PROJECT-20H00197
[Journal Article] Solar and geomagnetic activity dependence of 150-km echoes observed by the Equatorial Atmosphere Radar in Indonesia2022
- Author(s)
  Yokoyama Tatsuhiro、Takagi Rieko、Yamamoto Mamoru
- Journal Title
  
  Earth, Planets and Space
  
  Volume: 74 Issue: 1
- DOI
  10.1186/s40623-022-01675-6
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K04037, KAKENHI-PROJECT-20H00197, KAKENHI-PROJECT-21H04518
[Journal Article] Amplitude enhancement of short period　GPS-TEC oscillations over rainfall area2022
- Author(s)
  Toshihiko Iyemori, Akiyasu Yamada, Tadashi Aoyama, Kornyanat Hozumi, Yoshihiro Yokoyama, Yoko Odagi, Yasuharu Sano, Vijak Pangsapa, Thanawat Jarupongsakul, Akinori Saito and Masato Iguchi
- Journal Title
  
  Earth, Planets and Space
  
  Volume: 74 Issue: 1
- DOI
  10.1186/s40623-022-01604-7
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03643, KAKENHI-PROJECT-20H00197
[Journal Article] Upwelling Coherent Backscatter Plumes Observed with Ionosondes in Low-Latitude Region2022
- Author(s)
  Jiang Chunhua、Wei Lehui、Yokoyama Tatsuhiro、Xu Jiyao、Wu Kun、Yuan Wei、Liu Jing、Liu Tongxin、Yang Guobin、Zhao Zhengyu
- Journal Title
  
  Journal of Space Weather and Space Climate
  
  Volume: 12 Pages: 13-13
- DOI
  10.1051/swsc/2022010
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037, KAKENHI-PROJECT-20H00197
[Journal Article] On using a double-thin-shell approach and TEC perturbation component to sound night-time mid-latitude E?F coupling2022
- Author(s)
  Fu Weizheng、Yokoyama Tatsuhiro、Ssessanga Nicholas、Yamamoto Mamoru、Liu Peng
- Journal Title
  
  Earth, Planets and Space
  
  Volume: 74 Issue: 1
- DOI
  10.1186/s40623-022-01639-w
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037, KAKENHI-PROJECT-20H00197, KAKENHI-PROJECT-21H04518
[Journal Article] Fast Ionogram Observations of Ascending Thin Layers Locally Transported from the E to F Region at Equatorial and Low Latitudes2022
- Author(s)
  Hu Lianhuan、Li Guozhu、Ding Zonghua、Sun Wenjie、Zhao Xiukuan、Xie Haiyong、Zhu Zhengping、Yokoyama Tatsuhiro、Lan Jiaping、Huang Zhaoguo、Ning Baiqi
- Journal Title
  
  Remote Sensing
  
  Volume: 14 Issue: 22 Pages: 5811-5811
- DOI
  10.3390/rs14225811
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037, KAKENHI-PROJECT-20H00197
[Journal Article] Statistical Analysis of Medium‐Scale Traveling Ionospheric Disturbances Over Japan Based on Deep Learning Instance Segmentation2022
- Author(s)
  Liu Peng、Yokoyama Tatsuhiro、Fu Weizheng、Yamamoto Mamoru
- Journal Title
  
  Space Weather
  
  Volume: 20 Issue: 7
- DOI
  10.1029/2022sw003151
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K04037, KAKENHI-PROJECT-20H00197, KAKENHI-PROJECT-21H04518
[Journal Article] Nonlinear Simulation of Ionospheric Irregularities at Mars2021
- Author(s)
  Jiang Chunhua、Yokoyama Tatsuhiro、Wei Lehui、Yang Guobin、Zhao Zhengyu
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 909 Issue: 1 Pages: 47-47
- DOI
  10.3847/1538-4357/abdc1d
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037
[Journal Article] High‐Resolution 3‐D Imaging of Daytime Sporadic‐E Over Japan by Using GNSS TEC and Ionosondes2021
- Author(s)
  Fu Weizheng、Ssessanga Nicholas、Yokoyama Tatsuhiro、Yamamoto Mamoru
- Journal Title
  
  Space Weather
  
  Volume: 19 Issue: 12
- DOI
  10.1029/2021sw002878
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037, KAKENHI-PROJECT-20H00197
[Journal Article] 電離圏局所シミュレーション2021
- Author(s)
  横山竜宏
- Journal Title
  
  情報通信研究機構研究報告
  
  Volume: 67 Pages: 39-45
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K04037
[Journal Article] Propagation Mechanism of Medium Wave Broadcasting Waves Observed by the Arase Satellite: Hectometric Line Spectra2021
- Author(s)
  Hashimoto Kozo、Shinbori Atsuki、Otsuka Yuichi、Tsuchiya Fuminori、Kumamoto Atsushi、Kasahara Yoshiya、Matsuoka Ayako、Nagano Isamu、Miyoshi Yoshizumi、Yokoyama Tatsuhiro
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 126 Issue: 11
- DOI
  10.1029/2021ja029813
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H00197, KAKENHI-PROJECT-21H01146
[Journal Article] Anomalous Increase in the Occurrence of Post‐Midnight FAI Radar Echoes in September 2019 and Its Relation With the Austral Sudden Stratospheric Warming2021
- Author(s)
  Meenakshi S.、Sridharan S.、Solomon Ivan J.、Hozumi K.、Yatini C. Y.、Yokoyama T.、Hashiguchi H.
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 126 Issue: 6
- DOI
  10.1029/2020ja028902
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037, KAKENHI-PROJECT-20H00197
[Journal Article] On the Generation of an Unseasonal EPB Over South East Asia2021
- Author(s)
  Currie J. L.、Carter B. A.、Retterer J.、Dao T.、Pradipta R.、Caton R.、Groves K.、Otsuka Y.、Yokoyama T.、Hozumi K.、Le Truong T.、Terkildsen M.
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 126 Issue: 2
- DOI
  10.1029/2020ja028724
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Journal Article] Daytime Dynamo Electrodynamics With Spiral Currents Driven by Strong Winds Revealed by Vapor Trails and Sounding Rocket Probes2020
- Author(s)
  Pfaff R.、Larsen M.、Abe T.、Habu H.、Clemmons J.、Freudenreich H.、Rowland D.、Bullett T.、Yamamoto M.‐Y.、Watanabe S.、Kakinami Y.、Yokoyama T.、Mabie J.、Klenzing J.、Bishop R.、Walterscheid R.、Yamamoto M.、Yamazaki Y.、Murphy N.、Angelopoulos V.
- Journal Title
  
  Geophysical Research Letters
  
  Volume: 47 Issue: 15 Pages: 1-9
- DOI
  10.1029/2020gl088803
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03726, KAKENHI-PROJECT-20H00197
[Journal Article] Dilatory and Downward Development of 3‐m Scale Irregularities in the Funnel‐Like Region of a Rapidly Rising Equatorial Plasma Bubble2020
- Author(s)
  Tulasi Ram S.、Ajith K. K.、Yokoyama T.、Yamamoto M.、Hozumi K.、Shiokawa K.、Otsuka Y.、Li G.
- Journal Title
  
  Geophysical Research Letters
  
  Volume: 47 Issue: 13
- DOI
  10.1029/2020gl087256
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037, KAKENHI-PROJECT-16H06286
[Journal Article] Observation of seasonal asymmetry in the range spread F?occurrence at different longitudes during low and moderate solar activity2019
- Author(s)
  Afolayan Abimbola O.、Jit Singh Mandeep、Abdullah Mardina、Buhari Suhaila M.、Yokoyama Tatsuhiro、Supnithi Pornchai
- Journal Title
  
  Annales Geophysicae
  
  Volume: 37 Issue: 4 Pages: 733-745
- DOI
  10.5194/angeo-37-733-2019
- NAID
  120006800740
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814, KAKENHI-PROJECT-15H02135
[Journal Article] Investigation of Spatiotemporal Morphology of Plasma Bubbles Based on EAR Observations2019
- Author(s)
  Joshi L.M.、Tsai L.‐C.、Su S.‐Y.、Otsuka Y.、Yokoyama T.、Yamamoto M.、Sarkhel S.、Hozumi K.、Lu C.‐H.
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 124 Issue: 12 Pages: 10549-10563
- DOI
  10.1029/2019ja026839
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814, KAKENHI-PROJECT-15H02135, KAKENHI-PROJECT-19F19031
[Journal Article] Seeding of Equatorial Plasma Bubbles by Vertical Neutral Wind2019
- Author(s)
  Yokoyama Tatsuhiro、Jin Hidekatsu、Shinagawa Hiroyuki、Liu Huixin
- Journal Title
  
  Geophysical Research Letters
  
  Volume: 46 Issue: 13 Pages: 7088-7095
- DOI
  10.1029/2019gl083629
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05815, KAKENHI-PROJECT-16K17814, KAKENHI-PROJECT-15H02135, KAKENHI-PUBLICLY-18H04446
[Journal Article] All‐Sky Imaging Observations and Modeling of Bright 630‐nm Airglow Structures Associated With MSTIDs2019
- Author(s)
  Martinis C.、Yokoyama T.、Nishioka M.
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 124 Issue: 8 Pages: 7332-7340
- DOI
  10.1029/2019ja026935
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814, KAKENHI-PROJECT-15H02135
[Journal Article] A Configuration Space Model for Intermediate-Scale Ionospheric Structure2018
- Author(s)
  Rino Charles、Carrano Charles、Groves Keith、Yokoyama Tatsuhiro
- Journal Title
  
  Radio Science
  
  Volume: 53 Issue: 12 Pages: 1472-1480
- DOI
  10.1029/2018rs006678
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814, KAKENHI-PROJECT-15H02135
[Journal Article] Unseasonal development of post-sunset F-region irregularities over Southeast Asia on 28 July 2014: 2. Forcing from below?2018
- Author(s)
  Ajith, K. K., S. Tulasi Ram, B. A. Carter, S. Sathish Kumar, M. Yamamoto, T. Yokoyama, S. Gurubaran, S. Sripathi, K. Hozumi, K. Groves, R. G. Caton
- Journal Title
  
  Progress in Earth and Planetary Science
  
  Volume: 5
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Journal Article] Dynamic spectral characteristics of high-resolution simulated equatorial plasma bubbles2018
- Author(s)
  Rino Charles、Yokoyama Tatsuhiro、Carrano Charles
- Journal Title
  
  Progress in Earth and Planetary Science
  
  Volume: 5 Issue: 1 Pages: 83-83
- DOI
  10.1186/s40645-018-0243-0
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814, KAKENHI-PROJECT-15H02135
[Journal Article] Spatial Features of L-Band Equinoctial Scintillations From Equator to Low Midlatitude at Around 95°E During 2015-20162018
- Author(s)
  Dutta Barsha、Kalita Bitap Raj、Bhuyan P. K.、Sharma S.、Tiwari R. C.、Wang K.、Hozumi K.、Tsugawa T.、Yokoyama T.、Le Huy M.、Pham T. T. H.
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 123 Issue: 9 Pages: 7767-7788
- DOI
  10.1029/2018ja025533
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05813, KAKENHI-PROJECT-15H02135
[Journal Article] On the Solstice Maxima and Azimuth-Dependent Characteristics of the 150-km Echoes Observed Using the Equatorial Atmosphere Radar2018
- Author(s)
  Pavan Chaitanya P.、Patra A. K.、Otsuka Y.、Yokoyama T.、Yamamoto M.
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 123 Issue: 8 Pages: 6752-6759
- DOI
  10.1029/2018ja025491
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Journal Article] Unseasonal development of post-sunset F-region irregularities over Southeast Asia on 28 July 2014: 1. Forcing from above?2018
- Author(s)
  Carter, B. A., S. Tulasi Ram, E. Yizengaw, R. Pradipta, J. Retterer, R. Norman, J. Currie, K. Groves, R. Caton, M. Terkildsen, T. Yokoyama, and K. Zhang
- Journal Title
  
  Prog. Earth Planet. Sci.
  
  Volume: 5 Issue: 1 Pages: 10-10
- DOI
  10.1186/s40645-018-0164-y
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Journal Article] Unseasonal development of post-sunset F-region irregularities over Southeast Asia on 28 July 2014: 2. Forcing from below?2018
- Author(s)
  Ajith, K. K., S. Tulasi Ram, B. A. Carter, S. Sathish Kumar, M. Yamamoto, T. Yokoyama, S. Gurubaran, S. Sripathi, K. Hozumi, K. Groves, R. G. Caton
- Journal Title
  
  Progress in Earth and Planetary Science
  
  Volume: 5 Issue: 1 Pages: 60-60
- DOI
  10.1186/s40645-018-0218-1
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Journal Article] Daily and seasonal variations in the linear growth rate of the Rayleigh-Taylor instability in the ionosphere obtained with GAIA2018
- Author(s)
  Shinagawa Hiroyuki、Jin Hidekatsu、Miyoshi Yasunobu、Fujiwara Hitoshi、Yokoyama Tatsuhiro、Otsuka Yuichi
- Journal Title
  
  Progress in Earth and Planetary Science
  
  Volume: 5 Issue: 1 Pages: 16-16
- DOI
  10.1186/s40645-018-0175-8
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814, KAKENHI-PROJECT-15H03733, KAKENHI-PLANNED-15H05815, KAKENHI-PROJECT-15H02135
[Journal Article] Seeding of Equatorial Plasma Bubbles by Vertical Neutral Wind2018
- Author(s)
  Tatsuhiro Yokoyama, Hidekatsu Jin, Hiroyuki Shinagawa, Huixin Liu
- Journal Title
  
  Geophysical Research letters
  
  Volume: 46 Pages: 7088-7095
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H02135
[Journal Article] Climatology of successive equatorial plasma bubbles observed by GPS ROTI over Malaysia2017
- Author(s)
  M Buhari, S., M. Abdullah, T. Yokoyama, Y. Otsuka, M. Nishioka, A. Hasbi, S. A. Bahari, and T. Tsugawa
- Journal Title
  
  J. Geophys. Res. Space Physics
  
  Volume: 122 Issue: 2 Pages: 2174-2184
- DOI
  10.1002/2016ja023202
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135, KAKENHI-PLANNED-15H05813
[Journal Article] Daytime zonal drifts in the ionospheric 150km and E regions estimated using EAR observations2017
- Author(s)
  Pavan Chaitanya P.、Patra A. K.、Otsuka Y.、Yokoyama T.、Yamamoto M.、Stoneback R. A.、Heelis R. A.
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 122 Issue: 8 Pages: 9045-9055
- DOI
  10.1002/2017ja024589
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05815, KAKENHI-PROJECT-15H02135
[Journal Article] Vertical rise velocity of equatorial plasma bubbles estimated from Equatorial Atmosphere Radar (EAR) observations and HIRB model simulations2017
- Author(s)
  Tulasi Ram S.、Ajith K. K.、Yokoyama T.、Yamamoto M.、Niranjan K.
- Journal Title
  
  Journal of Geophysical Research Space Physics
  
  Volume: 122 Issue: 6 Pages: 6584-6594
- DOI
  10.1002/2017ja024260
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814, KAKENHI-PROJECT-15H02135
[Journal Article] The Solar Flux Dependence of Ionospheric 150km Radar Echoes and Implications2017
- Author(s)
  Patra A. K.、Pavan Chaitanya P.、St.‐Maurice J.‐P.、Otsuka Y.、Yokoyama T.、Yamamoto M.
- Journal Title
  
  Geophysical Research Letters
  
  Volume: 44 Issue: 22
- DOI
  10.1002/2017gl074678
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05815, KAKENHI-PROJECT-15H02135
[Journal Article] Low and midlatitude ionospheric plasma density irregularities and their effects on geomagnetic field2017
- Author(s)
  Yokoyama, T., and C. Stolle
- Journal Title
  
  Space Sci. Rev.
  
  Volume: 206 Issue: 1-4 Pages: 495-519
- DOI
  10.1007/s11214-016-0295-7
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135, KAKENHI-PROJECT-16K17814
[Journal Article] A review on the numerical simulation of equatorial plasma bubbles toward scintillation evaluation and forecasting2017
- Author(s)
  Yokoyama Tatsuhiro
- Journal Title
  
  Progress in Earth and Planetary Science
  
  Volume: 4 Issue: 1 Pages: 37-37
- DOI
  10.1186/s40645-017-0153-6
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K17814, KAKENHI-PROJECT-15H02135
[Journal Article] Equatorial and low-latitude ionospheric response to the 17-18 March 2015 great storm over Southeast Asia longitude sector2017
- Author(s)
  Jiang Chunhua、Yang Guobin、Liu Jing、Yokoyama Tatsuhiro、Liu Tongxin、Lan Ting、Zhou Chen、Zhang Yuannong、Zhao Zhengyu、Komolmis Tharadol、Supnithi Pornchai、Yatini Clara Y.
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 122 Issue: 5 Pages: 5756-5767
- DOI
  10.1002/2017ja024134
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Journal Article] Off-great-circle paths in transequatorial propagation: 2. Non-magnetic-field-aligned reections2016
- Author(s)
  Tsunoda, R. T., T. Maruyama, T. Tsugawa, T. Yokoyama, M. Ishii, T. T. Nguyen, T. Ogawa, and M. Nishioka
- Journal Title
  
  J. Geophys. Res. Space Physics
  
  Volume: 121 Issue: 11
- DOI
  10.1002/2016ja022404
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135, KAKENHI-PLANNED-15H05813
[Journal Article] Off-great-circle paths in transequatorial propagation: 1. Discrete and diffuse types2016
- Author(s)
  Tsunoda, R. T., T. Maruyama, T. Tsugawa, T. Yokoyama, M. Ishii, T. T. Nguyen, T. Ogawa, and M. Nishioka
- Journal Title
  
  J. Geophys. Res. Space Physics
  
  Volume: 121 Issue: 11
- DOI
  10.1002/2015ja021695
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135, KAKENHI-PLANNED-15H05813
[Journal Article] Duskside enhancement of equatorial zonal electric field response to convection electric fields during the St. Patrick's Day storm on 17 March 20152016
- Author(s)
  Ram, S. Tulasi, Yokoyama, T., Otsuka, Y., Shiokawa, K., Sripathi, S., Veenadhari, B., Heelis, R., Ajith, K. K., Gowtam, V. S., Gurubaran, S., Supnithi, P., Le Huy, M.
- Journal Title
  
  JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
  
  Volume: 121 Issue: 1 Pages: 538-548
- DOI
  10.1002/2015ja021932
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Journal Article] Predawn plasma bubble cluster observed in Southeast Asia2016
- Author(s)
  Watthanasangmechai, K., M. Yamamoto, A. Saito, R. Tsunoda, T. Yokoyama, P. Supnithi, M. Ishii, and C. Yatini
- Journal Title
  
  J. Geophys. Res. Space Physics
  
  Volume: 121 Issue: 6 Pages: 5868-5879
- DOI
  10.1002/2015ja022069
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135, KAKENHI-PROJECT-25302007
[Journal Article] Dusk side enhancement of equatorial zonal electric field response to convection electric fields during the St. Patrick's day storm on March 17, 20152016
- Author(s)
  Tulasi Ram, S., T. Yokoyama, Y. Otsuka, K. Shiokawa, S. Sripathi, B. Veenadhari, R. Heelis, K. K. Ajith, V. S. Gowtam, S. Gurubaran, P. Supnithi and M. Le Huy
- Journal Title
  
  Journal of Geophysical Research
  
  Volume: 121 Pages: 538-548
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25302007
[Journal Article] Explicit characteristics of evolutionary-type plasma bubbles observed from Equatorial Atmosphere Radar during the low to moderate solar activity years 2010-20122015
- Author(s)
  Ajith, K. K., S. T. Ram, M. Yamamoto, T. Yokoyama, V. S. Gowtam, Y. Otsuka, T. Tsugawa, and K. Niranjan
- Journal Title
  
  J. Geophys. Res. Space Physics
  
  Volume: 120 Issue: 2 Pages: 1371-1382
- DOI
  10.1002/2014ja020878
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25302007, KAKENHI-PROJECT-15H02135
[Journal Article] Fresh and evolutionary-type field-aligned irregularities generated near sunrise terminator due to overshielding electric fields2015
- Author(s)
  Tulasi Ram, S., K. K. Ajith, M. Yamamoto, Y. Otsuka, T. Yokoyama, K. Niranjan, S. Gurubaran
- Journal Title
  
  J. Geophs. Res. Space Physics
  
  Volume: 120 Issue: 7 Pages: 5922-5930
- DOI
  10.1002/2015ja021427
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25302007, KAKENHI-PROJECT-15H02135
[Journal Article] Temporal change of the EIA asymmetry revealed by a beacon receiver network in Southeast Asia2015
- Author(s)
  Watthanasangmechai, K., M. Yamamoto, A. Saito, T. Maruyama, T. Yokoyama, M. Nishioka, and M. Ishii
- Journal Title
  
  Earth Planets Space
  
  Volume: 67 Issue: 1 Pages: 75-75
- DOI
  10.1186/s40623-015-0252-9
- NAID
  120005669294
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25302007, KAKENHI-PROJECT-15H02135
[Journal Article] Continuous generation and two-dimensional structure of equatorial plasma bubbles observed by high-density GPS receivers in Southeast Asia2014
- Author(s)
  Buhari, S. M., M. Abdullah, A. M. Hasbi, Y. Otsuka, T. Yokoyama, M. Nishioka, and T. Tsugawa
- Journal Title
  
  J. Geophys. Res. Space Physics
  
  Volume: 119 Issue: 12 Pages: 10569-10580
- DOI
  10.1002/2014ja020433
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25302007
[Journal Article] Vertical ExB drifts from radar and C/NOFS observations in the Indian and Indonesian sectors: Consistency of observations and model2014
- Author(s)
  Patra, A. K., P. P. Chaitanya, Y. Otsuka, T. Yokoyama, M. Yamamoto, R. A. Stoneback, R. A. Heelis
- Journal Title
  
  J. Geopyhs. Res. Space Phys.
  
  Volume: 119 Issue: 5 Pages: 3377-3788
- DOI
  10.1002/2013ja019732
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25302007
[Journal Article] Latitudinal GRBR-TEC estimation in Southeast Asia region based on the two-station method2014
- Author(s)
  Watthanasangmechai, K., M. Yamamoto, A. Saito, T. Tsugawa, T. Yokoyama, P. Supnithi, and C. Y. Yatini
- Journal Title
  
  Radio Sci.
  
  Volume: 49 Issue: 10 Pages: 910-920
- DOI
  10.1002/2013rs005347
- NAID
  120005690152
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25302007
[Journal Article] Longitudinal characteristics of spread F backscatter plumes observed with the EAR and Sanya VHF radar in Southeast Asia2013
- Author(s)
  G. Li, B. Ning, M. A. Abdu, Y. Otsuka, T. Yokoyama, M. Yamamoto and L. Liu
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 118 Issue: 10 Pages: 6544-6557
- DOI
  10.1002/jgra.50581
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25302007
[Journal Article] 赤道大気レーダーを用いた高度150km沿磁力線不規則構造のドリフト速度に関する研究2013
- Author(s)
  大塚雄一, 水谷徳仁, 塩川和夫, Amit Patra, 横山竜宏, 山本衛
- Journal Title
  
  南極資料
  
  Volume: 57 Pages: 369-378
- NAID
  120005510650
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25302007
[Presentation] Simulation of Day-to-day Variability of Equatorial Plasma Bubbles Under Various Background Conditions2024
- Author(s)
  Yokoyama, T., T. Yutani
- Organizer
  JPGU 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Investigation into the Generation of Nighttime Medium-Scale Traveling Ionospheric Disturbances Over Japan2024
- Author(s)
  Weizheng Fu, Yuichi Otsuka, Tatsuhiro Yokoyama, Zezhong Li, Mamoru Yamamoto, Michi Nishioka, Hidekatsu Jin, Keisuke Hosokawa, Claudia Stolle
- Organizer
  American Geophysical Union Fall Meeting 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Northwestward Extension of Total Electron Content Enhancement and Irregularities Over Japan During a Magnetic Storm on May 20242024
- Author(s)
  Yuichi Otsuka, Kazuo Shiokawa, Atsuki Shibori, Mamoru Yamamoto, Tatsuhiro Yokoyama, Koji Nishimura, Michi Nishioka, and Septi Perwitasari
- Organizer
  International Symposium on the 40th Anniversary of the MU radar
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21345
[Presentation] 信楽イオノゾンデ観測の自動読み取りシステムとfoF2の長期統計解析2024
- Author(s)
  横山竜宏・劉鵬・釆山裕紀・寺内充
- Organizer
  第18回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Lunar tidal wave effects on equatorial ionospheric vertical ExB drift during sudden stratospheric warming2024
- Author(s)
  P. PavanChaitanya, A. K. Patra, Y. Otsuka, T. Yokoyama, and M. Yamamoto
- Organizer
  International Symposium on the 40th Anniversary of the MU Radar
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Simulation of Day-to-day Variability of Equatorial Plasma Bubbles Under Various Background Conditions2024
- Author(s)
  Yokoyama, T., and T. Yutani
- Organizer
  Asia Oceania Geosciences Society 21th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] Spatiotemporal Sequence Prediction of Global Ionospheric Total Electron Content Map Based on Machine Learning2024
- Author(s)
  Liu, P., T. Yokoyama, and M. Yamamoto
- Organizer
  45th COSPAR Scientific Assembly
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Spatiotemporal Sequence Prediction of Global Ionospheric Total Electron Content Map Based on Machine Learning2024
- Author(s)
  P. Liu, T. Yokoyama, and M. Yamamoto
- Organizer
  Committee on Space Research 45th COSPAR Scientific Assembly
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 2024年5月の磁気嵐中に日本で観測された全電子数増大及び電子密度擾乱2024
- Author(s)
  Yuichi Otsuka, Kazuo Shiokawa, Atsuki Shibori, Mamoru Yamamoto, Tatsuhiro Yokoyama, Koji Nishimura, Michi Nishioka, Septi Perwitasari
- Organizer
  地球電磁気・地球惑星圏学会2024年秋季年会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 赤道MUレーダー計画の現状20242024
- Author(s)
  山本衛・橋口浩之・横山竜宏
- Organizer
  日本地球惑星科学連合2024年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 2024年5月の磁気嵐中に日本で観測された全電子数増大及び電子密度擾乱2024
- Author(s)
  Yuichi Otsuka, Kazuo Shiokawa, Atsuki Shibori, Mamoru Yamamoto, Tatsuhiro Yokoyama, Koji Nishimura, Michi Nishioka, Septi Perwitasari
- Organizer
  地球電磁気・地球惑星圏学会2024年秋季年会
- Data Source
  KAKENHI-PROJECT-22K21345
[Presentation] イオノゾンデ観測を用いた機械学習によるスポラディック E 層の統計解析と発生予測2024
- Author(s)
  釆山裕紀, 横山竜宏, 劉鵬
- Organizer
  地球電磁気・地球惑星圏学会2024年秋季年会
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] 2024年5月の磁気嵐中に日本で観測された全電子数増大及び電子密度擾乱2024
- Author(s)
  Yuichi Otsuka, Kazuo Shiokawa, Atsuki Shibori, Mamoru Yamamoto, Tatsuhiro Yokoyama, Koji Nishimura, Michi Nishioka, Septi Perwitasari
- Organizer
  地球電磁気・地球惑星圏学会2024年秋季年会
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Study of ionospheric E-F region coupling by the long-term MU radar observation2024
- Author(s)
  Yokoyama, T., R. Morishita, and M. Yamamoto
- Organizer
  JPGU 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Simulation of Day-to-day Variability of Equatorial Plasma Bubbles Under Various Background Conditions2024
- Author(s)
  Yokoyama, T., and T. Yutani
- Organizer
  AOGS 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] 国内稠密GNSS受信機網データを用いた中規模伝搬性電離擾乱およびその測位への影響に関する研究2024
- Author(s)
  大塚雄一、横山竜宏、山本衛、Fu Weizheng
- Organizer
  第515回生存圏シンポジウム　生存圏ミッションシンポジウム
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Simulation of Day-to-day Variability of Equatorial Plasma Bubbles Under Various Background Conditions2024
- Author(s)
  Yokoyama, T., and T. Yutani
- Organizer
  日本地球惑星科学連合2024年大会
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] Simulation of Day-to-day Variability of Equatorial Plasma Bubbles Under Various Background Conditions2024
- Author(s)
  Yokoyama, T., and T. Yutani
- Organizer
  日本地球惑星科学連合2024 年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Coordinated observation of sporadic-E layers with sounding rockets and ground-based observations: SEEK, SEEK-2, and RIDE campaigns2024
- Author(s)
  Akinori Saito, T. Abe, A. Matsuoka, K. Ishisaka, Y. Saito, M. Tagawa, A. Kumamoto, K. Yokota, H. Kojima, S. Kurita, T. Yokoyama, N. Murata, S. Saito, T. Takahashi, M. Nishioka, S. Andoh, K. Hosokawa , H. Nakata, Huixin Liu, M. Kogure, T. Nishiyama, M. K Ejiri, and T. Sakazaki
- Organizer
  International Symposium on the 42th Anniversary of the MU Radar
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Development of ionospheric vertical plasma drift model using radar observations in the Indian and Indonesian longitudes2024
- Author(s)
  P. PavanChaitanya, A. K. Patra, Y. Otsuka, T. Yokoyama, and M. Yamamoto
- Organizer
  International Symposium on the 40th Anniversary of the MU Radar
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Multimodal Fusion Towards Machine Reasoning for Spatiotemporal Predictive Learning of Ionospheric Total Electron Content2024
- Author(s)
  劉鵬, 横山竜宏, 惣宇利卓弥, 山本衛
- Organizer
  地球電磁気・地球惑星圏学会2024年秋季年会
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] High-frequency wave propagation in the ionospheric density irregularities2024
- Author(s)
  Kim, E.-H., S. Shiraiwa, J. Johnson, S. Wing, N. Frissell, T. Yokoyama, P. Bernhardt, and N. Bertelli
- Organizer
  66th Annual Meeting of the APS Division of Plasma Physics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Simulation of Day-to-day Variability of Equatorial Plasma Bubbles Under Various Background Conditions2024
- Author(s)
  Yokoyama, T., and T. Yutani
- Organizer
  Asia Oceania Geosciences Society 21th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Study of ionospheric E-F region coupling by the long-term MU radar observation2024
- Author(s)
  Yokoyama, T., R. Morishita, and M. Yamamoto
- Organizer
  日本地球惑星科学連合2024 年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Northwestward Extension of Total Electron Content Enhancement and Irregularities Over Japan During a Magnetic Storm on May 20242024
- Author(s)
  Yuichi Otsuka, Kazuo Shiokawa, Atsuki Shibori, Mamoru Yamamoto, Tatsuhiro Yokoyama, Koji Nishimura, Michi Nishioka, and Septi Perwitasari
- Organizer
  International Symposium on the 40th Anniversary of the MU radar
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Northwestward Extension of Total Electron Content Enhancement and Irregularities Over Japan During a Magnetic Storm on May 20242024
- Author(s)
  Yuichi Otsuka, Kazuo Shiokawa, Atsuki Shibori, Mamoru Yamamoto, Tatsuhiro Yokoyama, Koji Nishimura, Michi Nishioka, and Septi Perwitasari
- Organizer
  International Symposium on the 40th Anniversary of the MU radar
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 機械学習を用いた電離圏擾乱現象自動検出モデルの作成2024
- Author(s)
  春名健太郎・劉鵬・釆山裕紀・横山竜宏
- Organizer
  第18回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 機械学習を用いた地球電離圏の全電子数マップの時空間系列予測2024
- Author(s)
  劉鵬, 横山竜宏, 山本衛
- Organizer
  JPGU 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] 機械学習に基づく電離層の全電子数の時空間予測2024
- Author(s)
  劉鵬・横山竜宏・惣宇利卓弥・山本衛
- Organizer
  第18回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] TEC Enhancement and Irregularities Over Japan During a Magnetic Storm on May 20242024
- Author(s)
  Yuichi Otsuka, Kazuo Shiokawa, Atsuki Shinbori, Mamoru Yamamoto, Tatsuhiro Yokoyama, Koji Nishimura, Michi Nishioka, and Septi Perwitasari
- Organizer
  地球電磁気・地球惑星圏学会2024年秋季年会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Full-wave simulations of high-frequency (HF) wave in the small-scale ionospheric density irregularities2024
- Author(s)
  Kim, E.-H., S. Shiraiwa, J. Johnson, S. Wing, N. Frissell, P. Bernhardt, T. Yokoyama, and N. Bertelli
- Organizer
  2024 AGU Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Multi-Scale Simulation of Equatorial Plasma Bubbles with GAIA Model2023
- Author(s)
  Yokoyama, T., H. Jin, and H. Shinagawa
- Organizer
  URSI GASS
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Multi-Scale Simulation of Equatorial Plasma Bubbles with GAIA Model2023
- Author(s)
  Yokoyama, T., H. Jin, and H. Shinagawa
- Organizer
  XXXVth International Union of Radio Science General Assembly and Scientific Symposium
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Incoherent Scatter Observations by the MU Radar over Japan: Potential Contribution to the IRI Model2023
- Author(s)
  Yokoyama, T., M. Yamamoto, and Y. Otsuka
- Organizer
  URSI GASS
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21345
[Presentation] Es層形成過程の中性大気とプラズマ大気の同時観測による解明: S-310-46 号機プロジェクト2023
- Author(s)
  齊藤昭則・阿部琢美・松岡彩子・石坂圭吾・齊藤義文・田川雅人・熊本篤志・横田久美子・小嶋浩嗣・栗田怜・村田直史・斎藤享・高橋透・西岡未知・細川啓祐・横山竜宏・Huixin Liu・西山尚典・坂崎貴俊
- Organizer
  第5回観測ロケットシンポジウム
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 信楽イオノゾンデ観測を用いた機械学習によるスポラディックE層の自動検出と統計解析2023
- Author(s)
  横山竜宏・采山裕紀・劉鵬・山本衛
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 高分解能電離圏シミュレーションを用いたプラズマバブル発生の日々変動に関する研究2023
- Author(s)
  湯谷樹生・横山竜宏
- Organizer
  第17回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] The Occurrence Characteristics of Daytime Spread F in the Low Latitude Regions During 2013-2020 Observed by Puer Ionosonde2023
- Author(s)
  Lehui Wei, Chunhua Jiang, and Tatsuhiro Yokoyama
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] MUレーダーと赤道大気レーダーによる電離圏観測2023
- Author(s)
  横山竜宏
- Organizer
  第490回生存圏シンポジウム生存圏ミッションシンポジウム
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Three-dimensional Simulation of Equatorial Spread F: Effects of Field-aligned Plasma Flow and Ionospheric Conductivity2023
- Author(s)
  Zezhong Li, Jiuhou Lei, Binzheng Zhang, and Tatsuhiro Yokoyama
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 山本衛, 信楽イオノゾンデ観測を用いた機械学習によるスポラディックE層の自動検出と統計解析2023
- Author(s)
  横山竜宏・采山裕紀・劉鵬・山本衛
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Automatic scaling of foF2 and foEs from ionograms obtained at Shigaraki MU Observatory2023
- Author(s)
  Yokoyama, T., Y. Uneyama, P. Liu, and M. Yamamoto
- Organizer
  AOGS 20th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] 信楽イオノゾンデ観測を用いた機械学習によるスポラディックE層の自動検出と統計解析2023
- Author(s)
  横山竜宏, 采山裕紀, 劉鵬, 山本衛
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Study of Nighttime Mid-latitude E-F Coupling in Geomagnetic Conjugate Regions Using a Double-thin-shell Model and Multi-source Data2023
- Author(s)
  Weizheng Fu・横山竜宏・Nicholas Ssessanga・馬冠一・山本衛
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Multi-Scale Simulation of Equatorial Plasma Bubbles with GAIA Model2023
- Author(s)
  Yokoyama, T., H. Jin, and H. Shinagawa
- Organizer
  XXXVth International Union of Radio Science General Assembly and Scientific Symposium
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] Automatic scaling of foF2 and foEs from ionograms obtained at Shigaraki MU Observatory2023
- Author(s)
  Yokoyama, T., Y. Uneyama, P. Liu, and M. Yamamoto
- Organizer
  Asia Oceania Geosciences Society 20th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Automatic scaling of foF2 and foEs from ionograms obtained at Shigaraki MU Observatory2023
- Author(s)
  Yokoyama, T., and Y. Uneyama
- Organizer
  Asia Oceania Geosciences Society 20th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 信楽イオノゾンデ観測を用いた機械学習によるスポラディックE層の自動検出と統計解析2023
- Author(s)
  横山竜宏, 采山裕紀, 劉鵬, 山本衛
- Organizer
  日本地球惑星科学連合2023 年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 信楽イオノゾンデ観測を用いた機械学習によるスポラディックE層の自動検出と統計解析2023
- Author(s)
  横山竜宏, 采山裕紀, 劉鵬, 山本衛
- Organizer
  Japan Geoscience Union Meeting 2023
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Solar and Geomagnetic Activity Dependence of 150-km Echoes Observed by the Equatorial Atmosphere Radar in Indonesia2023
- Author(s)
  Yokoyama, T., R. Takagi, and M. Yamamoto
- Organizer
  Asia Oceania Geosciences Society 20th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Assessing the performance of the double-thin-shell approach with improved resolution for studying nighttime MSTIDs using dual dense GNSS networks in Japan2023
- Author(s)
  Weizheng Fu, Yuichi Otsuka, Tatsuhiro Yokoyama, and Mamoru Yamamoto
- Organizer
  第17回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Spatiotemporal Sequence Prediction of Global Ionospheric Total Electron Content Map Based on Deep Learning Recurrent Neural Network2023
- Author(s)
  P. Liu, T. Yokoyama, and M. Yamamoto
- Organizer
  XXXVth URSI General Assembly of and Scientific Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Solar and Geomagnetic Activity Dependence of 150-km Echoes Observed by the Equatorial Atmosphere Radar in Indonesia2023
- Author(s)
  Yokoyama, T., R. Takagi, and M. Yamamoto
- Organizer
  AOGS 20th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] 深層学習再帰型ニューラルネットワークを用いた地球電離圏全電子数マップの時空間系列予測2023
- Author(s)
  劉鵬, 横山竜宏, 山本衛
- Organizer
  Japan Geoscience Union Meeting 2023
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Spatiotemporal Sequence Prediction of Global Ionospheric Total Electron Content Map Based on Deep Learning Recurrent Neural Network2023
- Author(s)
  Liu, P., T. Yokoyama, and M. Yamamoto
- Organizer
  URSI GASS
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Solar and Geomagnetic Activity Dependence of 150-km Echoes Observed by the Equatorial Atmosphere Radar in Indonesia2023
- Author(s)
  Yokoyama, T., R. Takagi, and M. Yamamoto
- Organizer
  AOGS 20th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21345
[Presentation] Automatic scaling of foF2 and foEs from ionograms obtained at Shigaraki MU Observatory2023
- Author(s)
  Yokoyama, T., Y. Uneyama, P. Liu, and M. Yamamoto
- Organizer
  AOGS 20th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21345
[Presentation] Large-scale research project in Japan, "Study of coupling processes in the Solar-Terrestrial system"2023
- Author(s)
  A. Yoshikawa, M. Yamamoto, Y. Ogawa, K. Shiokawa, K. Iwai, H. Hashiguchi, T. Yokoyama, S. Nozawa, Y. Ohtsuka, A. Shinbori, Y. Tanaka, S. Abe
- Organizer
  AOSWA 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21345
[Presentation] 信楽イオノゾンデ観測を用いた機械学習によるスポラディックE層の自動検出と統計解析2023
- Author(s)
  釆山裕紀・横山竜宏・劉鵬・山本衛
- Organizer
  第17回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Incoherent Scatter Observations by the MU Radar over Japan: Potential Contribution to the IRI Model2023
- Author(s)
  Yokoyama, T., M. Yamamoto, and Y. Otsuka
- Organizer
  XXXVth International Union of Radio Science General Assembly and Scientific Symposium
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Multi-Scale Simulation of Equatorial Plasma Bubbles with GAIA Model2023
- Author(s)
  Yokoyama, T., H. Jin, and H. Shinagawa
- Organizer
  URSI GASS
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21345
[Presentation] Three-dimensional Simulation of Equatorial Spread F: Effects of Field-aligned Plasma Flow and Ionospheric Conductivity2023
- Author(s)
  Zezhong Li, Jiuhou Lei, Binzheng Zhang, and Tatsuhiro Yokoyama
- Organizer
  Japan Geoscience Union Meeting 2023
- Data Source
  KAKENHI-PROJECT-22K21345
[Presentation] Spatiotemporal Sequence Prediction of Global Ionospheric Total Electron Content Map Based on Deep Learning Recurrent Neural Network2023
- Author(s)
  Liu, P., T. Yokoyama, and M. Yamamoto
- Organizer
  URSI GASS
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21345
[Presentation] 深層学習再帰型ニューラルネットワークを用いた地球電離圏全電子数マップの時空間系列予測2023
- Author(s)
  劉鵬・横山竜宏・山本衛
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Study of Nighttime Mid-latitude E-F Coupling in Geomagnetic Conjugate Regions Using a Double-thin-shell Model and Multi-source Data2023
- Author(s)
  Weizheng Fu, 横山竜宏, Nicholas Ssessanga, 馬冠一, 山本衛
- Organizer
  Japan Geoscience Union Meeting 2023
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Incoherent Scatter Observations by the MU Radar over Japan: Potential Contribution to the IRI Model2023
- Author(s)
  Yokoyama, T., M. Yamamoto, and Y. Otsuka
- Organizer
  URSI GASS
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] The Occurrence Characteristics of Daytime Spread F in the Low Latitude Regions During 2013-2020 Observed by Puer Ionosonde2023
- Author(s)
  Lehui Wei, Chunhua Jiang, and Tatsuhiro Yokoyama
- Organizer
  Japan Geoscience Union Meeting 2023
- Data Source
  KAKENHI-PROJECT-22K21345
[Presentation] 赤道MUレーダー計画の現状20232023
- Author(s)
  山本衛・橋口浩之・横山竜宏・津田敏隆
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 超高層大気分野研究の将来計画における観測ロケット実験2023
- Author(s)
  齊藤昭則・阿部琢美・横山竜宏・西山尚典・高橋透・坂崎貴俊
- Organizer
  第5回観測ロケットシンポジウム
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] The Occurrence Characteristics of Daytime Spread F in the Low Latitude Regions During 2013-2020 Observed by Puer Ionosonde2023
- Author(s)
  Lehui Wei, Chunhua Jiang, and Tatsuhiro Yokoyama
- Organizer
  Japan Geoscience Union Meeting 2023
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Three-dimensional Simulation of Equatorial Spread F: Effects of Field-aligned Plasma Flow and Ionospheric Conductivity2023
- Author(s)
  Zezhong Li, Jiuhou Lei, Binzheng Zhang, and Tatsuhiro Yokoyama
- Organizer
  Japan Geoscience Union Meeting 2023
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Ionospheric Structure Modeling and Diagnostics2022
- Author(s)
  Rino, C., C. Carrano, and T. Yokoyama
- Organizer
  16th International Symposium on Equatorial Aeronomy
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] A Stochastic Model for Scintillation and Total Electron Content2022
- Author(s)
  Rino, C., C. Carrano, T. Yokoyama, L. Spogli, and A. Spogi
- Organizer
  21st International Beacon Satellite Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] Early development of shorter (3m) scale irregularities in the topside region of an Equatorial Plasma Bubble2022
- Author(s)
  Tulasi Ram, S., K. K. Ajith, T. Yokoyama, M. Yamamoto, and K. Hozumi
- Organizer
  ISEA-16
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] 赤道MUレーダー計画の現状20222022
- Author(s)
  山本衛・橋口浩之・横山竜宏・西村耕司・津田敏隆
- Organizer
  日本地球惑星科学連合2022年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Ionospheric vertical plasma drift model for the Indian and Indonesian sectors: Validation and usefulness2022
- Author(s)
  Pavan Chaitanya, P., A. K. Patra, Y. Otsuka, T. Yokoyama, and M. Yamamoto
- Organizer
  16th International Symposium on Equatorial Aeronomy
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] 赤道大気レーダーで観測された150kmエコーの太陽・地磁気活動依存性2022
- Author(s)
  横山竜宏, 高木理絵子, 山本衛
- Organizer
  The 152 th SGEPSS General Assembly
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Ionospheric vertical plasma drift model for the Indian and Indonesian sectors: Validation and usefulness2022
- Author(s)
  Pavan Chaitanya, P., A. K. Patra, Y. Otsuka, T. Yokoyama, and M. Yamamoto
- Organizer
  ISEA-16
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] MUレーダー観測とイオノゾンデ自動読み取りシステムを用いた電子密度の長期統計解析2022
- Author(s)
  横山竜宏, 増田秀人, 劉鵬, 山本衛
- Organizer
  日本地球惑星科学連合2022年大会
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] MUレーダー観測とイオノゾンデ自動読み取りシステムを用いた電子密度の長期統計解析2022
- Author(s)
  横山竜宏, 増田秀人, 劉鵬, 山本衛
- Organizer
  Japan Geoscience Union Meeting 2022
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Ionospheric Structure Modeling and Diagnostics2022
- Author(s)
  Rino, C., C. Carrano, and T. Yokoyama
- Organizer
  ISEA-16
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Sounding of E-F coupling over Japan by using ground-based GNSS TEC with a double-thin-shell approach2022
- Author(s)
  傅維正, 横山竜宏, Nicholas Ssessanga, 山本衛
- Organizer
  Japan Geoscience Union Meeting 2022
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] 赤道大気レーダーで観測された150kmエコーの太陽・地磁気活動依存性2022
- Author(s)
  横山竜宏, 高木理絵子, 山本衛
- Organizer
  第152回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Ionospheric vertical ExB drift variations during sudden stratospheric warming events2022
- Author(s)
  Pavan Chaitanya, P., A. K. Patra, Y. Otsuka, T. Yokoyama, and M. Yamamoto
- Organizer
  ISEA-16
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] MUレーダーと赤道大気レーダーによる電離圏イレギュラリティ観測の長期統計解析2022
- Author(s)
  横山竜宏, 石井達也, 湯谷樹生, 山本衛
- Organizer
  日本地球惑星科学連合2022年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] MUレーダーと赤道大気レーダーによる電離圏イレギュラリティ観測の長期統計解析2022
- Author(s)
  横山竜宏, 石井達也, 湯谷樹生, 山本衛
- Organizer
  日本地球惑星科学連合2022年大会
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] Statistical Analysis of Medium-scale Traveling Ionospheric Disturbances Over Japan Based on Deep Learning Instance Segmentation2022
- Author(s)
  Liu, P., and Yokoyama, T
- Organizer
  AOGS2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Long-term Statistical Analysis of Ionospheric Irregularities Observed by the MU Radar and Equatorial Atmosphere Radar2022
- Author(s)
  Yokoyama, T., T. Ishii, T. Yutani, and M. Yamamoto
- Organizer
  AOGS2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] 3-D Imaging of Nighttime E-F Coupling Over Japan by Using Groundbased GNSS-TEC and Ionosondes2022
- Author(s)
  Fu, W., N. Ssessanga, T. Yokoyama, P. Liu, and M. Yamamoto
- Organizer
  ISEA-16
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] MUレーダー観測とイオノゾンデ自動読み取りシステムを用いた電子密度の長期統計解析2022
- Author(s)
  横山竜宏, 増田秀人, 劉鵬, 山本衛
- Organizer
  日本地球惑星科学連合2022年大会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] A Stochastic Model for Scintillation and Total Electron Content2022
- Author(s)
  Rino, C., C. Carrano, T. Yokoyama, L. Spogli, and A. Spogi
- Organizer
  21st International Beacon Satellite Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] 赤道大気レーダーで観測された150kmエコーの太陽・地磁気活動依存性2022
- Author(s)
  横山竜宏, 高木理絵子, 山本衛
- Organizer
  第15回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Study of nighttime midlatitude E-F coupling in geomagnetic conjugate regions using multi-source data2022
- Author(s)
  傅維正, 横山竜宏, Nicholas Ssessanga, 馬冠一, 山本衛,
- Organizer
  The 152 th SGEPSS General Assembly
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Statistical Analysis of Medium-scale Traveling Ionospheric Disturbances Over Japan Based on Deep Learning Instance Segmentation2022
- Author(s)
  Liu, P., and Yokoyama, T
- Organizer
  Asia Oceania Geosciences Society 19th Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] 赤道大気レーダーで観測された150kmエコーの太陽・地磁気活動依存性2022
- Author(s)
  横山竜宏, 高木理絵子, 山本衛
- Organizer
  第15回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Long-term Statistical Analysis of Ionospheric Irregularities Observed by the MU Radar and Equatorial Atmosphere Radar2022
- Author(s)
  Yokoyama, T., T. Ishii, T. Yutani, and M. Yamamoto
- Organizer
  Asia Oceania Geosciences Society 19th Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Long-term Statistical Analysis of Ionospheric Irregularities Observed by the MU Radar and Equatorial Atmosphere Radar2022
- Author(s)
  Yokoyama, T., T. Ishii, T. Yutani, and M. Yamamoto
- Organizer
  Asia Oceania Geosciences Society 19th Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] 赤道大気レーダーで観測された150kmエコーの太陽・地磁気活動依存性2022
- Author(s)
  横山竜宏, 高木理絵子, 山本衛
- Organizer
  第152回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] MUレーダーと赤道大気レーダーによる電離圏イレギュラリティ観測の長期統計解析,2022
- Author(s)
  横山竜宏, 石井達也, 湯谷樹生, 山本衛
- Organizer
  Japan Geoscience Union Meeting 2022
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] 3-D Imaging of Nighttime E-F Coupling Over Japan by Using Groundbased GNSS-TEC and Ionosondes2022
- Author(s)
  Fu, W., N. Ssessanga, T. Yokoyama, P. Liu, and M. Yamamoto
- Organizer
  16th International Symposium on Equatorial Aeronomy
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] Early development of shorter (3m) scale irregularities in the topside region of an Equatorial Plasma Bubble2022
- Author(s)
  Tulasi Ram, S., K. K. Ajith, T. Yokoyama, M. Yamamoto, and K. Hozumi
- Organizer
  16th International Symposium on Equatorial Aeronomy
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] 地上多点ネットワークに基づく超高層大気変動の緯度間結合の観測的研究計画2021
- Author(s)
  塩川和夫、大塚雄一、西谷望、能勢正仁、野澤悟徳、大山伸一郎、吉川顕正、藤本晶子、横山竜宏、山本衛
- Organizer
  第１５回MUレーダー・赤道大気レーダーシンポジウムのお知らせ
- Data Source
  KAKENHI-PROJECT-21H04518
[Presentation] Study of coupling processes in the solar-terrestrial system =Current status in 2021=2021
- Author(s)
  Mamoru Yamamoto, Hiroyuki Hashiguchi, Tatsuhiro Yokoyama, Hiroshi Miyaoka, Yasunobu Ogawa, Kazuo Shiokawa, Satonori Nozawa, Akimasa Yoshikawa, Toshitaka Tsuda
- Organizer
  Jaapan Geoscience Union Meeting 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Development of multi-scale numerical simulation model for the study on ionospheric disturbances2021
- Author(s)
  Tatsuhiro Yokoyama, Taichi Komoto
- Organizer
  Jaapan Geoscience Union Meeting 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 高精細プラズマバブルモデルの現在と今後の展望2021
- Author(s)
  横山竜宏
- Organizer
  2020年度ISEE研究集会「太陽地球圏環境予測のためのモデル研究の展望」
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Study of ionospheric E-region irregularities by Equatorial Atmosphere Radar during annular solar eclipse2021
- Author(s)
  Tatsuhiro Yokoyama, Rieko Takagi, Mamoru Yamamoto, Kornyanat Hozumi, Chihiro Tao, Hiroyuki Shinagawa
- Organizer
  Jaapan Geoscience Union Meeting 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 3-D imaging of daytime mid-latitude sporadic E over Japan with ground-based GNSS data2021
- Author(s)
  Weizheng Fu, Nicholas Ssessanga, Tatsuhiro Yokoyama, Mamoru Yamamoto
- Organizer
  第150回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 高精細プラズマバブルモデルとGAIAモデルの結合に向けたマルチスケール数値モデルの開発2021
- Author(s)
  横山竜宏, 古元泰地
- Organizer
  GAIA研究会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Development of Multi-scale Numerical Simulation Model for the Study on Ionospheric Disturbances2021
- Author(s)
  Yokoyama, T., and T. Komoto
- Organizer
  Asia Oceania Geosciences Society 18th Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 赤道大気レーダーで観測されたプラズマバブルと150kmエコーの長期統計解析2021
- Author(s)
  横山竜宏, 杉野創, 高木理絵子, 劉鵬, 山本衛
- Organizer
  第15回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] Development of Multi-scale Numerical Simulation Model for the Study on Ionospheric Disturbances2021
- Author(s)
  Yokoyama, T., and T. Komoto
- Organizer
  Asia Oceania Geosciences Society 18th Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] Status of Equatorial MU Radar project in 20212021
- Author(s)
  Mamoru Yamamoto, Hiroyuki Hashiguchi, Tatsuhiro Yokoyama, Toshitaka Tsuda
- Organizer
  Jaapan Geoscience Union Meeting 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 赤道大気レーダーを用いた金環日食時の電離圏E領域不規則構造の研究2021
- Author(s)
  横山竜宏, 高木理絵子, 山本衛, 穂積コンニャナット, 垰千尋, 品川裕之
- Organizer
  日本地球惑星科学連合2021年大会
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] 赤道大気レーダーで観測されたプラズマバブルと150kmエコーの長期統計解析,2021
- Author(s)
  横山竜宏, 杉野創, 高木理絵子, 劉鵬, 山本衛
- Organizer
  第15回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 電離圏擾乱の研究に資するマルチスケール数値シミュレーションの開発2021
- Author(s)
  横山竜宏, 古元泰地
- Organizer
  STEシミュレーション研究会・KDKシンポジウム合同研究会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 電離圏擾乱の研究に資するマルチスケール数値シミュレーションの開発2021
- Author(s)
  横山竜宏, 古元泰地
- Organizer
  日本地球惑星科学連合2021年大会
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] Effect of equatorial plasma bubbles on midlatitude region2020
- Author(s)
  Yokoyama, T., H. Shinagawa, and Y. Otsuka
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] Effect of equatorial plasma bubbles on midlatitude region2020
- Author(s)
  Yokoyama, T., H. Shinagawa, and Y. Otsuka
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] 電離圏擾乱の研究に資するマルチスケール数値シミュレーションの開発2020
- Author(s)
  横山竜宏, 古元泰地
- Organizer
  STEシミュレーション研究会・KDKシンポジウム合同研究会
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] Toward forecasting equatorial plasma bubbles by numerical simulations2020
- Author(s)
  Tatsuhiro Yokoyama
- Organizer
  The 4th PSTEP International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Effect of equatorial plasma bubbles on midlatitude region2020
- Author(s)
  Yokoyama, T., H. Shinagawa, and Y. Otsuka
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Long-term statistical analysis of the ionospheric observation with the MU radar2020
- Author(s)
  Tatsuhiro Yokoyama, Masanori Ueno, Mamoru Yamamoto
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] GAIAモデルとの結合に向けた赤道プラズマバブルシミュレーションの改良2020
- Author(s)
  古元泰地, 横山竜宏
- Organizer
  第148回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] Study of coupling processes in the solar-terrestrial system = Current status in 2020 =2020
- Author(s)
  Mamoru Yamamoto, Hiroyuki Hashiguchi, Tatsuhiro Yokoyama, Hiroshi Miyaoka, Yasunobu Ogawa, Kazuo Shiokawa, Satonori Nozawa, Akimasa Yoshikawa, Toshitaka Tsuda
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] 高精細プラズマバブルモデルの現在と今後の展望2020
- Author(s)
  横山竜宏
- Organizer
  太陽地球圏環境予測のためのモデル研究の展望
- Invited
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] 高精細プラズマバブルモデルとGAIAモデルの結合に向けたマルチスケール数値モデルの開発2020
- Author(s)
  横山竜宏, 古元泰地
- Organizer
  GAIA研究会
- Invited
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] 赤道大気レーダーによる2019年12月の金環日食時の電離圏観測2020
- Author(s)
  高木理絵子, 横山竜宏,山本衛, Hozumi Kornyanat
- Organizer
  第148回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] MUレーダーによる電離圏IS観測の長期統計解析2020
- Author(s)
  横山竜宏・上野将典・山本衛
- Organizer
  第14回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Status of Equatorial MU Radar project in 20202020
- Author(s)
  Mamoru Yamamoto, Hiroyuki Hashiguchi, Tatsuhiro Yokoyama, Toshitaka Tsuda
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Long-term statistical analysis of the ionospheric observation with the MU radar2020
- Author(s)
  Yokoyama, T., M. Ueno, and M. Yamamoto
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Effect of equatorial plasma bubbles on midlatitude region2020
- Author(s)
  Yokoyama, T., H. Shinagawa, and Y. Otsuka
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Toward forecasting equatorial plasma bubbles by numerical simulations2020
- Author(s)
  Tatsuhiro Yokoyama
- Organizer
  The 4th PSTEP International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 赤道プラズマバブルの急速な発達と中緯度帯への影響2020
- Author(s)
  横山竜宏, 品川裕之, 陣英克, 大塚雄一
- Organizer
  第148回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] Ionospheric observations by Equatorial Atmosphere Radar during annular eclipse in December 20192020
- Author(s)
  Rieko Takagi, Tatsuhiro Yokoyama, Mamoru Yamamoto, Kornyanat Hozumi
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] GAIAモデルとの結合に向けた赤道プラズマバブルシミュレーションの改良2020
- Author(s)
  古元泰地, 横山竜宏
- Organizer
  第14回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-20K04037
[Presentation] 赤道プラズマバブルの急速な発達と中緯度帯への影響2020
- Author(s)
  横山竜宏, 品川裕之, 陣英克, 大塚雄一
- Organizer
  第148回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-20H00197
[Presentation] Seeding, structuring, and decaying of equatorial plasma bubbles simulated by high-resolution bubble (HIRB) model2019
- Author(s)
  Tatsuhiro Yokoyama
- Organizer
  The 2nd EPB workshop: STERN Workshop on Scientific Challenges in Ionospheric Plasma Bubble Forecasting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] High-Resolution Simulation Studies of Equatorial Plasma Bubbles2019
- Author(s)
  Tatsuhiro Yokoyama
- Organizer
  2019 URSI-Japan Radio Science Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 高解像度シミュレーションによるプラズマバブル内部構造の発達と減衰過程2019
- Author(s)
  横山竜宏, 陣英克, 品川裕之, Charles L. Rino, Charles S. Carrano
- Organizer
  第146回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] プラズマバブル内部のスペクトル解析2019
- Author(s)
  横山竜宏, Rino Charles, Carrano Charles
- Organizer
  PSTEP研究集会太陽地球圏環境予測のためのモデル研究の展望第3回
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Dynamic Spectral Characteristics of Equatorial Plasma Bubbles2019
- Author(s)
  横山竜宏, Charles L. Rino, Charles, S. Carrano
- Organizer
  日本地球惑星科学連合2019年大会
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Equatorial ionospheric disturbances and its social impact2019
- Author(s)
  Tatsuhiro Yokoyama
- Organizer
  The 9th International Symposium for Sustainable Humanosphere
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Seeding, structuring, and decaying of equatorial plasma bubbles simulated by high-resolution bubble (HIRB) model2019
- Author(s)
  Tatsuhiro Yokoyama
- Organizer
  The 2nd EPB workshop: STERN Workshop on Scientific Challenges in Ionospheric Plasma Bubble Forecasting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 電離圏プラズマバブルモデルの今後の課題と展望2019
- Author(s)
  横山竜宏
- Organizer
  ISEE・PSTEP研究集会「太陽地球圏環境予測のためのモデル研究の展望」第4回
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] プラズマバブル内部のスペクトル解析2019
- Author(s)
  横山竜宏,Charles Rino, Charles Carrano
- Organizer
  PSTEP研究集会太陽地球圏環境予測のためのモデル研究の展望第3回
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 電離圏プラズマバブルモデルの今後の課題と展望2019
- Author(s)
  横山竜宏
- Organizer
  ISEE・PSTEP研究集会「太陽地球圏環境予測のためのモデル研究の展望」第4回
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] High-Resolution Simulation Studies of Equatorial Plasma Bubbles2019
- Author(s)
  Tatsuhiro Yokoyama
- Organizer
  URSI-Japan Radio Science Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] プラズマバブル内部のスペクトル解析2019
- Author(s)
  横山竜宏, Rino Charles, Carrano Charles,
- Organizer
  PSTEP研究集会太陽地球圏環境予測のためのモデル研究の展望第3回
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] Seeding, structuring, and decaying of equatorial plasma bubbles simulated by high-resolution bubble (HIRB) model2019
- Author(s)
  Yokoyama, T., H. Jin, H. Shinagawa, C. L. Rino, and C. S. Carrano
- Organizer
  2019 AGU Fall Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] Nighttime MSTIDs and coupling with sporadic-E layers2019
- Author(s)
  Tatsuhiro Yokoyama
- Organizer
  2019 AGU Fall Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 赤道プラズマバブル数値シミュレーションの発展と今後2019
- Author(s)
  横山竜宏
- Organizer
  日本地球惑星科学連合2019年大会
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] Dynamic Spectral Characteristics of Equatorial Plasma Bubbles2019
- Author(s)
  横山竜宏, Charles L. Rino, Charles, S. Carrano
- Organizer
  日本地球惑星科学連合2019年大会
- Invited
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] Equatorial ionospheric disturbances and its social impact2019
- Author(s)
  Tatsuhiro Yokoyama
- Organizer
  The 9th International Symposium for Sustainable Humanosphere
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 太陽地球系結合過程の研究基盤形成2019
- Author(s)
  山本衛、橋口浩之、横山竜宏、宮岡宏、小川泰信、塩川和夫、野澤悟徳、吉川顕正、津田敏隆
- Organizer
  日本地球惑星科学連合2019年大会
- Invited
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Nighttime MSTIDs and coupling with sporadic-E layers2019
- Author(s)
  Tatsuhiro Yokoyama
- Organizer
  AGU Fall Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Seeding, structuring, and decaying of equatorial plasma bubbles simulated by high-resolution bubble (HIRB) model2019
- Author(s)
  Yokoyama, T., H. Jin, H. Shinagawa, C. L. Rino, and C. S. Carrano
- Organizer
  AGU Fall Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 赤道プラズマバブル数値シミュレーションの発展と今後2019
- Author(s)
  横山竜宏
- Organizer
  日本地球惑星科学連合2019年大会
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 高解像度シミュレーションによるプラズマバブル内部構造の発達と減衰過程2019
- Author(s)
  横山竜宏, 陣英克, 品川裕之, Charles L. Rino, Charles S. Carrano
- Organizer
  第146回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] Spectral characteristics of equatorial plasma bubbles simulated by High Resolution Bubble model2018
- Author(s)
  Yokoyama Tatsuhiro, Rino Charles, Carrano Charles
- Organizer
  Asia Oceania Geosciences Society 15th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 熱圏鉛直風によるプラズマバブルシーディング2018
- Author(s)
  横山竜宏
- Organizer
  第12回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 熱圏鉛直風によるプラズマバブルシーディング2018
- Author(s)
  横山竜宏, 陣英克, 品川裕之
- Organizer
  第144回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Neutral wind effects on equatorial plasma bubbles simualted by High Resolution Bubble model2018
- Author(s)
  Yokoyama Tatsuhiro, Jin Hidekatsu, Shinagawa Hiroyuki
- Organizer
  Asia Oceania Geosciences Society 15th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] Recent results of high resolution plasma bubble modeling2018
- Author(s)
  Yokoyama Tatsuhiro
- Organizer
  15th International Symposium on Equatorial Aeronomy
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Recent results of high resolution plasma bubble modeling2018
- Author(s)
  Yokoyama, T
- Organizer
  15th International Symposium on Equatorial Aeronomy
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 熱圏鉛直風によるプラズマバブルシーディング2018
- Author(s)
  横山竜宏
- Organizer
  平成30年度名古屋大学太陽地球環境研究所研究集会 STEシミュレーション研究会
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] The role of the evening eastward electric field and gravity wave activity on the sequential occurrence of plasma bubble2018
- Author(s)
  Prayitno Abadi・Yuichi Otsuka・Kazuo Shiokawa・Huixin Liu ・Mamoru Yamamoto・Tatsuhiro Yokoyama
- Organizer
  第12回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Recent results of high resolution plasma bubble modeling2018
- Author(s)
  Yokoyama Tatsuhiro
- Organizer
  15th International Symposium on Equatorial Aeronomy
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 熱圏鉛直風によるプラズマバブルシーディング2018
- Author(s)
  横山竜宏
- Organizer
  第12回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Role of the pre-reversal enhancement and medium-scale gravity waves on multiple plasma bubbles occurrence2018
- Author(s)
  Prayitno Abadi、Yuichi Otsuka、Kazuo Shiokawa、Mamoru Yamamoto、Huixin Liu、Tatsuhiro Yokoyama
- Organizer
  日本地球惑星科学連合2018年大会
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Role of the evening eastward electric field and gravity wave activity on the sequential occurrence of plasma bubble2018
- Author(s)
  Prayitno Abadi, Yuichi Otsuka, Kazuo Shiokawa, Huixin Liu, Mamoru Yamamoto, and Tatsuhiro Yokoyama
- Organizer
  第12回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Neutral wind effects on equatorial plasma bubbles simualted by High Resolution Bubble model2018
- Author(s)
  横山竜宏, 陣英克, 品川裕之, Liu Huixin
- Organizer
  日本地球惑星科学連合2018年大会
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] SEASONAL VARIATIONS AND AZIMUTHAL ASPECT SENSITIVITY OF 150-KM ECHOES OBSERVED BY THE EQUATORIAL ATMOSPHERE RADAR2018
- Author(s)
  Peddapati PavanChaitanya, Patra Amit, Otsuka Yuich, Yokoyama Tatsuhiro, Yamamoto Mamoru
- Organizer
  COSPAR 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Neutral wind effects on equatorial plasma bubbles simualted by High Resolution Bubble model2018
- Author(s)
  横山竜宏, 陣英克, 品川裕之, Liu Huixin
- Organizer
  日本地球惑星科学連合2018年大会
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 熱圏鉛直風によるプラズマバブルシーディング2018
- Author(s)
  横山竜宏, 陣英克, 品川裕之
- Organizer
  第144回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 熱圏鉛直風によるプラズマバブルシーディング2018
- Author(s)
  横山竜宏
- Organizer
  平成30年度名古屋大学太陽地球環境研究所研究集会 STEシミュレーション研究会
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 熱圏鉛直風によるプラズマバブルシーディング2018
- Author(s)
  横山竜宏, 陣英克, 品川裕之
- Organizer
  第144回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] Spectral characteristics of equatorial plasma bubbles simulated by High Resolution Bubble model2018
- Author(s)
  Yokoyama, T., C. L. Rino, and C. S. Carrano
- Organizer
  Asia Oceania Geosciences Society 15th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Neutral wind effects on equatorial plasma bubbles simualted by High Resolution Bubble model2018
- Author(s)
  Yokoyama Tatsuhiro, Jin Hidekatsu, Shinagawa Hiroyuki
- Organizer
  Asia Oceania Geosciences Society 15th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Neutral wind effects on equatorial plasma bubbles simualted by High Resolution Bubble model2018
- Author(s)
  横山竜宏, 陣英克, 品川裕之, H. Liu,
- Organizer
  日本地球惑星科学連合2018年大会
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Neutral wind effects on equatorial plasma bubbles simulated by High Resolution Bubble model2018
- Author(s)
  Yokoyama, T., H. Jin, and H. Shinagawa
- Organizer
  Asia Oceania Geosciences Society 15th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Spectral characteristics of equatorial plasma bubbles simulated by High Resolution Bubble model2018
- Author(s)
  Yokoyama Tatsuhiro, Rino Charles, Carrano Charles
- Organizer
  Asia Oceania Geosciences Society 15th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] .High Resolution Plasma Bubble Modeling2018
- Author(s)
  Yokoyama, T
- Organizer
  The 3rd PSTEP International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] New observations of daytime 150-km echoes from Gadanki and Kototabang2017
- Author(s)
  Amit Kumar Patra, P Pavan Chaitanya, Y Otsuka, T Yokoyama, and M Yamamoto
- Organizer
  15th MST Radar Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 電離圏バブルモデルの課題と展望2017
- Author(s)
  横山竜宏
- Organizer
  PSTEP 研究集会太陽地球圏環境予測のためのモデル研究の展望
- Place of Presentation
  名古屋大学宇宙地球環境研究所、名古屋市
- Year and Date
  2017-01-26
- Invited
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] プラズマバブルシミュレーションの高解像度化2017
- Author(s)
  横山竜宏
- Organizer
  STEシミュレーション研究会
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 数値シミュレーションと赤道大気レーダー観測によるプラズマバブル上昇速度の推定2017
- Author(s)
  横山竜宏,S. Tulasi Ram, K. K. Ajith, 山本衛, K. Niranjan
- Organizer
  第142回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] Vertical rise velocity of equatorial plasma bubbles estimated from Equatorial Atmosphere Radar observations and High-Resolution Bubble model simulations2017
- Author(s)
  Yokoyama, T., S. Tulasi Ram, K. K. Ajith, M. Yamamoto, and K. Niranjan
- Organizer
  2017 AGU Fall Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 数値シミュレーションと赤道大気レーダー観測によるプラズマバブル上昇速度の推定2017
- Author(s)
  横山竜宏, S. Tulasi Ram, K. K. Ajith, 山本衛, K. Niranjan
- Organizer
  第11回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] DAYTIME ZONAL DRIFTS IN THE IONOSPHERIC 150 KM AND E REGIONS ESTIMATED USING EAR OBSERVATIONS2017
- Author(s)
  P. Pavan Chaitanya, A. K. Patra,Y. Otsuka,T. Yokoyama, M. Yamamoto
- Organizer
  URSI GA 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Daytime zonal drifts in the ionospheric 150 km region estimated using EAR observations2017
- Author(s)
  Pavan Chaitanya Peddapati, A K Patra, Y Otsuka, T Yokoyama, and M Yamamoto
- Organizer
  15th MST Radar Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Spectral analysis of equatorial plasma bubbles obtained by high-resolution bubble model and C/NOFS satellite2017
- Author(s)
  Yokoyama, T., C. L. Rino, C. S. Carrano, K. M. Groves, and P. A. Roddy
- Organizer
  XXXIInd International Union of Radio Science General Assembly and Scientific Symposium
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 電離圏バブルモデルの課題と展望2017
- Author(s)
  横山竜宏
- Organizer
  PSTEP研究集会太陽地球圏環境予測のためのモデル研究の展望
- Place of Presentation
  名古屋市名古屋大学
- Year and Date
  2017-01-26
- Invited
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] Plasma Bubble Rise Velocity Estimated from EAR Observation and High-Resolution Bubble Model2017
- Author(s)
  Tatsuhiro Yokoyama, S. Tulasi Ram, K. K. Ajith, and M. Yamamoto
- Organizer
  15th MST Radar Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Plasma bubble rise velocity estimated from EAR observation and High-Resolution Bubble model2017
- Author(s)
  Yokoyama, T., S. Tulasi Ram, K. K. Ajith, and M. Yamamoto
- Organizer
  15th International Workshop on Technical and Scientific Aspects of MST Radar
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 数値シミュレーションと赤道大気レーダー観測によるプラズマバブル上昇速度の推定2017
- Author(s)
  横山竜宏, Tulasi Ram Sudarsanam, Ajith K. K.,山本衛, Niranjan K.
- Organizer
  第142回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 数値シミュレーションと赤道大気レーダー観測によるプラズマバブル上昇速度の推定2017
- Author(s)
  横山竜宏, Tulasi Ram Sudarsanam, Ajith K. K., 山本衛, Niranjan K.
- Organizer
  第142回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 数値シミュレーションと赤道大気レーダー観測によるプラズマバブル上昇速度の推定2017
- Author(s)
  横山竜宏・S.TulasiRam・K.K.Ajith・山本衛・K. Niranjan
- Organizer
  第11回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 数値シミュレーションと赤道大気レーダー観測によるプラズマバブル上昇速度の推定2017
- Author(s)
  横山竜宏, S. Tulasi Ram, K. K. Ajith, 山本衛, K. Niranjan
- Organizer
  第11回MUレーダー・赤道大気レーダーシンポジウム
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] Spectral analysis of equatorial plasma bubbles obtained by high-resolution bubble model and C/NOFS satellite2017
- Author(s)
  Yokoyama, T., C. L. Rino, C. S. Carrano, K. M. Groves, and P. A. Roddy
- Organizer
  JpGU-AGU Joint Meeting 2017
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] Sub-kilometer simulation of equatorial plasma bubble and comparision with satellite observations2016
- Author(s)
  Yokoyama, T., R. F. Pfaff, C. Stolle, and S.-Y. Su
- Organizer
  2016 AGU Fall Meeting
- Place of Presentation
  San Francisco, USA
- Year and Date
  2016-12-12
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 高精細プラズマバブルシミュレーションと衛星観測との比較2016
- Author(s)
  横山竜宏, Robert F. Pfaff, Claudia Stolle, Shin-Yi Su
- Organizer
  第140回地球電磁気・地球惑星圏学会講演会
- Place of Presentation
  福岡市九州大学
- Year and Date
  2016-11-19
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 赤道プラズマバブルに伴う磁場変動の数値シミュレーション2016
- Author(s)
  横山竜宏, Claudia Stolle
- Organizer
  日本地球惑星科学連合大会2016
- Place of Presentation
  幕張メッセ, 千葉
- Year and Date
  2016-05-22
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Global and regional ionospheric modeling to understand equatorial plasma bubble2016
- Author(s)
  Yokoyama, T., H. Jin, and H. Shinagawa
- Organizer
  The 4th Asia Oceania Space Weather Alliance Workshop
- Place of Presentation
  Jeju, South Korea
- Year and Date
  2016-10-24
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 高精細プラズマバブルシミュレーションと衛星観測との比較,2016
- Author(s)
  横山竜宏, Robert F. Pfaff, Claudia Stolle, Shin-Yi Su
- Organizer
  第140回地球電磁気・地球惑星圏学会講演会
- Place of Presentation
  九州大学, 福岡市
- Year and Date
  2016-11-19
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 高精細プラズマバブルシミュレーションと地上・衛星観測との比較2016
- Author(s)
  横山竜宏, 陣英克, 品川裕之, Claudia Stolle
- Organizer
  平成28年度名古屋大学太陽地球環境研究所研究集会 STEシミュレーション研究会
- Place of Presentation
  仙台市東北大学
- Year and Date
  2016-08-31
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 高精細プラズマバブルシミュレーションと地上・衛星観測との比較2016
- Author(s)
  横山竜宏, 陣英克, 品川裕之, Claudia Stolle
- Organizer
  第10回MUレーダー・赤道大気レーダーシンポジウム
- Place of Presentation
  宇治市京都大学
- Year and Date
  2016-09-08
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 新・衛星＝地上ビーコン観測と赤道大気レーダーによる低緯度電離圏の時空間変動の解明2016
- Author(s)
  山本衛, 岩田桂一, 松永真由美, 斎藤昭則, 斎藤亨, 横山竜宏, Huixin Liu
- Organizer
  第10回MUレーダー・赤道大気レーダーシンポジウム
- Place of Presentation
  京都大学宇治キャンパス,宇治市
- Year and Date
  2016-09-08
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] 新しい衛星による電離圏ビーコン観測・計画の現状2016
- Author(s)
  山本衛, 岩田桂一, 松永真由美, 齊藤昭則, 斎藤享, 横山竜宏, Liu Huixin
- Organizer
  第140回地球電磁気・地球惑星圏学会講演会
- Place of Presentation
  九州大学, 福岡市
- Year and Date
  2016-11-19
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] A Comparative Study of Plasma Irregularities Development Between Ionosonde and Equatorial Atmosphere Radar2016
- Author(s)
  Dyah Martiningrum, Mamoru Yamamoto, Tatsuhiro Yokoyama, Prayitno Abadi
- Organizer
  第140回地球電磁気・地球惑星圏学会講演会
- Place of Presentation
  九州大学, 福岡市
- Year and Date
  2016-11-19
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] High-resolution modeling of equatorial plasma bubble2016
- Author(s)
  Yokoyama, T
- Organizer
  ISEE Worshop on Ionospheric plasma bubble seeding and development
- Place of Presentation
  名古屋市名古屋大学
- Year and Date
  2016-11-29
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 赤道プラズマバブルに伴う磁場変動の数値シミュレーション2016
- Author(s)
  横山竜宏, Claudia Stolle
- Organizer
  日本地球惑星科学連合2016年大会
- Place of Presentation
  千葉市幕張メッセ
- Year and Date
  2016-05-22
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] A Comparative Study of Plasma Irregularities Development Between Ionosonde and Equatorial Atmosphere Radar2016
- Author(s)
  Dyah Martiningrum, Mamoru Yamamoto, Tatsuhiro Yokoyama, Prayitno Abadi
- Organizer
  第140回地球電磁気・地球惑星圏学会講演会
- Place of Presentation
  九州大学、福岡市
- Year and Date
  2016-11-19
- Data Source
  KAKENHI-PROJECT-25302007
[Presentation] Monitoring of plasma bubble occurrence by multi-frequency observations2016
- Author(s)
  Watthanasangmechai, K., T. Yokoyama, M. Nishioka, M. Ishii, and M. Yamamoto
- Organizer
  Beacon Satellite Symposium 2016
- Place of Presentation
  Trieste, Italy
- Year and Date
  2016-06-26
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Global and regional ionospheric modeling to understand equatorial plasma bubble2016
- Author(s)
  Yokoyama, T., H. Jin, and H. Shinagawa
- Organizer
  The 4th Asia Oceania Space Weather Alliance Workshop
- Place of Presentation
  Jeju, South Korea
- Year and Date
  2016-10-24
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 高精細プラズマバブルシミュレーションと地上・衛星観測との比較2016
- Author(s)
  横山竜宏, 陣英克, 品川裕之, Claudia Stolle
- Organizer
  平成28年度名古屋大学宇宙地球環境研究所研究集会STE シミュレーション研究会
- Place of Presentation
  東北大学、仙台市
- Year and Date
  2016-08-31
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Numerical simulation of magnetic eld variation associated with equatorial plasma bubble2016
- Author(s)
  Yokoyama, T., and C. Stolle
- Organizer
  2016 URSI Asia-Pacific Radio Science Converence
- Place of Presentation
  Seoul, Korea
- Year and Date
  2016-08-21
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Sub-kilometer simulation of equatorial plasma bubble and comparision with satellite observations2016
- Author(s)
  Yokoyama, T., R. F. Pfaff, C. Stolle, and S.-Y. Su
- Organizer
  2016 AGU Fall Meeting
- Place of Presentation
  San Francisco, USA
- Year and Date
  2016-12-12
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 高精細プラズマバブルシミュレーションと地上・衛星観測との比較2016
- Author(s)
  横山竜宏, 陣英克, 品川裕之, Claudia Stolle
- Organizer
  第10回MUレーダー・赤道大気レーダーシンポジウム
- Place of Presentation
  京都大学宇治キャンパス,宇治市
- Year and Date
  2016-09-08
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] High-resolution modeling of equatorial plasma bubble, ISEE Worshop on Ionospheric plasma bubble seeding and development atistics with GAIA model2016
- Author(s)
  Yokoyama, T.
- Organizer
  ISEE Workshop on Ionospheric Plasma Bubble Seeding and Development
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Numerical simulation of magnetic field variation associated with equatorial plasma bubble2016
- Author(s)
  Yokoyama, T., and C. Stolle
- Organizer
  2016 URSI Asia-Pacific Radio Science Conference
- Place of Presentation
  Seoul, South Korea
- Year and Date
  2016-08-21
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17814
[Presentation] 高精細プラズマバブルシミュレーションと地上・衛星観測との比較2016
- Author(s)
  横山竜宏
- Organizer
  第10回MUレーダー・赤道大気レーダーシンポジウム
- Place of Presentation
  京都大学宇治キャンパス, 宇治市
- Year and Date
  2016-09-08
- Data Source
  KAKENHI-PROJECT-25302007
[Presentation] Effects of Pre-reversal enhancement of E x B2015
- Author(s)
  Prayitno Abadi, Yuichi Otsuka, Takuya Tsugawa, and Tatsuhiro Yokoyama
- Organizer
  宇宙地球環境研究所設立記念シンポジウム
- Place of Presentation
  名古屋大学
- Year and Date
  2015-11-04
- Data Source
  KAKENHI-PROJECT-25302007
[Presentation] Climatology of Equatorial plasma bubbles observed from Equatorial Atmosphere Radar (EAR) - New Aspects2015
- Author(s)
  Tulasiram SUDARSANAM, K. K. AJITH, Mamoru YAMAMOTO, Yuichi OTSUKA, Tatsuhiro YOKOYAMA, Takuya TSUGAWA
- Organizer
  日本地球惑星科学連合2015年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2015-05-24
- Data Source
  KAKENHI-PROJECT-25302007
[Presentation] E-F REGION FIELD ALIGNED IRREGULARITIES OBSERVED WITH EQUATORIAL ATMOSPHERIC RADAR AND IONOSONDE2015
- Author(s)
  Dyah rahayu MARTININGRUM, Mamoru YAMAMOTO, Tatsuhiro YOKOYAMA, Asnawi HUSIN, Clara yono YATINI
- Organizer
  日本地球惑星科学連合2015年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2015-05-24
- Data Source
  KAKENHI-PROJECT-25302007
[Presentation] 新・衛星＝地上ビーコン観測と赤道大気レーダーによる低緯度電離圏の時空間変動の解明－新しい研究プロジェクト紹介－2015
- Author(s)
  山本衛, 橋口浩之, 斎藤昭則, 松永真由美, 斎藤亨, Huixin Liu, 横山竜宏, 陣英克, 大塚雄一, Roland Tsunoda, Tung-Yuan Hsiao
- Organizer
  第9回MUレーダー赤道大気レーダー共同利用シンポジウム
- Place of Presentation
  京都大学生存圏研究所、宇治市
- Data Source
  KAKENHI-PROJECT-15H02135
[Presentation] Precise seasonal EIA structures in Southeast Asia2015
- Author(s)
  Kornyanat Watthanasangmechai, Mamoru Yamamoto, Akinori Saito, Takashi Maruyama, Tatsuhiro Yokoyama, Michi Nishioka, Mamoru Ishii
- Organizer
  第138回地球電磁気･地球惑星圏学会講演会
- Place of Presentation
  東京大学
- Year and Date
  2015-10-31
- Data Source
  KAKENHI-PROJECT-25302007
[Presentation] Temporal change of the precise EIA asymmetry in Thailand-Indonesia sector observed by a beacon receiver network2015
- Author(s)
  Kornyanat WATTHANASANGMECHAI, Mamoru YAMAMOTO, Akinori SAITO, Tatsuhiro YOKOYAMA
- Organizer
  日本地球惑星科学連合2015年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2015-05-24
- Data Source
  KAKENHI-PROJECT-25302007
[Presentation] Effects of Pre-reversal enhancement of E x B drift on the Latitudinal Extension of Plasma Bubble in Southeast Asia2015
- Author(s)
  Prayitno Abadi, Yuichi Otsuka, Takuya Tsugawa, and Tatsuhiro Yokoyama
- Organizer
  The 4th ENRI International Workshop on ATM/CNS (EIWAC) 2015
- Place of Presentation
  電子航法研究所
- Year and Date
  2015-11-17
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25302007
[Presentation] 南・東南アジアにおける赤道電離圏擾乱のGNSS・レーダー観測2015
- Author(s)
  大塚雄一、塩川和夫、Abadi Prayitno、Dao Tam、横山竜宏、津川卓也、西岡未知、M. Buhari Suhaila、Patra Amit、Tulasi Ram Sudarsanam
- Organizer
  第138回地球電磁気･地球惑星圏学会講演会
- Place of Presentation
  東京大学
- Year and Date
  2015-10-31
- Data Source
  KAKENHI-PROJECT-25302007
[Presentation] Predawn depletion observed by GRBR and GPS networks in Southeast Asia2015
- Author(s)
  Kornyanat WATTHANASANGMECHAI, Mamoru YAMAMOTO, Akinori SAITO, Tatsuhiro YOKOYAMA
- Organizer
  日本地球惑星科学連合2015年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2015-05-24
- Data Source
  KAKENHI-PROJECT-25302007
[Presentation] Co-located fossil bubbles and SSTID structure at low latitudes: A case study2015
- Author(s)
  Kornyanat Watthanasangmechai, Mamoru Yamamoto, Roland Tsunoda, Akinori Saito, Tatsuhiro Yokoyama, Mamoru Yamamoto
- Organizer
  International Reference Ionosphere 2015 Workshop
- Place of Presentation
  Bangkok, Thailand
- Year and Date
  2015-11-09
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25302007
[Presentation] Effects of Pre-reversal enhancement of E x B drift on the Latitudinal Extension of Plasma Bubble in Southeast Asia2015
- Author(s)
  Prayitno Abadi, Yuichi Otsuka, Takuya Tsugawa, and Tatsuhiro Yokoyama
- Organizer
  日本地球惑星科学連合2015年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2015-05-24
- Data Source
  KAKENHI-PROJECT-25302007
[Presentation] 観測ロケットS-520-27号機・S-310-42号機を中心とする電離圏波動現象の総合観測2014
- Author(s)
  山本衛, 阿部琢美, 山本真行, 渡部重十, 羽生宏人, 石坂圭吾, 遠藤研, 岩上直幹, 高橋隆男, 田中真, 斎藤享, 横山竜宏, 津川卓也, M. Larsen, P. Bernhardt
- Organizer
  第14回宇宙科学シンポジウム
- Place of Presentation
  JAXA宇宙科学研究所, 神奈川
- Data Source
  KAKENHI-PROJECT-24340120
[Presentation] ロケット及び地上観測による中規模伝搬性電離圏擾乱の研究2014
- Author(s)
  山本衛, 加藤寬大, 石坂圭吾, 横山竜宏, 岩上直幹, 高橋隆男, 田中真, 遠藤君, 熊本篤志, 渡部重十, 山本真行, 阿部琢美, 斎藤享, 津川卓也, 西岡未知, P. A. Bernhardt, M. F. Larsen
- Organizer
  日本地球惑星科学連合2014年総会
- Place of Presentation
  パシフィコ横浜, 神奈川
- Data Source
  KAKENHI-PROJECT-24340120
[Presentation] Study of Medium-scale Traveling Ionospheric Disturbances (MSTID) with Sounding Rockets and Ground Observations2014
- Author(s)
  M. Yamamoto, T. Kato, K. Ishizaka, T. Yokoyama, N. Iwagami, T. Takahashi, M. Tanaka, K. Endo, A. Kumamoto, S. Watanabe, M.-Y. Yamamoto, T. Abe, H. Habu, S. Saito, T. Tsugawa, M. Nishioka, P. Bernhardt, M. Larsen
- Organizer
  31st URSI General Assembly
- Place of Presentation
  Beijing, China
- Year and Date
  2014-08-21
- Data Source
  KAKENHI-PROJECT-24340120
[Presentation] Sounding Rocket/Ground-based Observation Campaign for Medium-Scale Traveling Ionospheric Disturbances (MSTID)2013
- Author(s)
  Yamamoto, M., A. Saito, Y. Otsuka, T. Yokoyama, M.-Y. Yamamoto, T. Abe, S. Watanabe, K. Ishisaka, M. F. Larsen, R. Pfaff, P. Bernhardt
- Organizer
  29th International Symposium on Space Technology and Science
- Place of Presentation
  Nagoya, Aichi
- Data Source
  KAKENHI-PROJECT-24340120
[Presentation] ロケットと地上からの複合観測による中緯度電離圏の観測2013
- Author(s)
  山本衛, 斎藤享, 横山竜宏, 津川卓也, 石坂さん, 山本真行, 羽生宏人, 渡部重十, 阿部琢美, G. Seemala, P. A. Bernhardt、M. F. Larsen
- Organizer
  地球電磁気・地球惑星圏学会第134回講演会
- Place of Presentation
  高知大学, 高知
- Data Source
  KAKENHI-PROJECT-24340120
[Presentation] Sounding rocket/ground-based observation campaign to study medium-scale traveling ionospheric disturbances (MSTID)2012
- Author(s)
  Yamamoto, M., A. Saito, T. Yokoyama, Y. Otsuka, M.-Y. Yamamoto, T. Abe, S. Watanabe, K. Ishisaka, M. Larsen, R. Pfaff, P. Bernhardt
- Organizer
  39th Scientific Assembly of COSPAR
- Place of Presentation
  Mysore, India
- Data Source
  KAKENHI-PROJECT-24340120
[Presentation] 夕方、明け方、昼間熱圏におけるリチウム放出ロケット実験2012
- Author(s)
  山本真行、渡部重十、羽生宏人、阿部琢美、Miguel F. Larsen、山本衛、横山竜宏、柿並義宏
- Organizer
  日本地球惑星科学連合2012年大会
- Place of Presentation
  幕張メッセ国際会議場, 千葉
- Data Source
  KAKENHI-PROJECT-24340120
[Presentation] ロケット／地上観測を用いた中規模伝搬性電離圏擾乱の観測キャンペーン2012
- Author(s)
  山本衛、齊藤昭則、横山竜宏、大塚雄一、山本真行、阿部琢美、渡部重十、石坂圭吾、Miguel Larsen、Rob Pfaff、Parul Bernhardt
- Organizer
  日本地球惑星科学連合2012年大会
- Place of Presentation
  幕張メッセ国際会議場, 千葉
- Data Source
  KAKENHI-PROJECT-24340120
[Presentation] Study of Medium-scale Traveling Ionospheric Disturbances (MSTID) with Sounding Rockets and Ground Observations
- Author(s)
  M. Yamamoto, T. Kato, K. Ishizaka, T. Yokoyama, N. Iwagami, T. Takahashi, M. Tanaka,
- Organizer
  Daytime Dynamo workshop
- Place of Presentation
  St. Michaels, USA
- Year and Date
  2015-03-03 – 2015-03-05
- Data Source
  KAKENHI-PROJECT-24340120
[Presentation] ロケット及び地上観測による中規模伝搬性電離圏擾乱の研究
- Author(s)
  山本衛, 加藤寬大, 石坂圭吾, 横山竜宏, 岩上直幹, 高橋隆男, 田中真, 遠藤研, 熊本篤志, 渡部重十, 山本真行, 阿部琢美, 齋藤享, 津川卓也, 西岡未知, Bernhardt Paul, Larsen Miguel
- Organizer
  日本地球惑星科学連合2014年総会
- Place of Presentation
  パシフィコ横浜
- Year and Date
  2014-04-28 – 2014-05-02
- Data Source
  KAKENHI-PROJECT-24340120
[Presentation] 観測ロケット実験による電離圏Ｅ－Ｆ領域相互作用の解明
- Author(s)
  山本衛, 加藤寛大，石坂圭吾，横山竜宏, 岩上直幹, 高橋隆男，田中真，遠藤研, 熊本篤志，渡部重十，山本真行，阿部琢美, 羽生宏人，齋藤享，津川卓也, 西岡未知，Paul Bernhardt, Miguel Larsen
- Organizer
  第28回大気圏シンポジウム
- Place of Presentation
  JAXA宇宙科学研究所
- Year and Date
  2014-12-08 – 2014-12-09
- Data Source
  KAKENHI-PROJECT-24340120
[Presentation] Study of Medium-scale Traveling Ionospheric Disturbances (MSTID) with Sounding Rockets and Ground Observations
- Author(s)
  M. Yamamoto, T. Kato, K. Ishizaka, T. Yokoyama, N. Iwagami, T. Takahashi, M. Tanaka, K. Endo, A. Kumamoto, S. Watanabe, M.-Y. Yamamoto, T. Abe, H. Habu, S. Saito, T. Tsugawa, M. Nishioka, P. Bernhardt, M. Larsen
- Organizer
  AOGS 11th Annual Meeting
- Place of Presentation
  札幌市
- Year and Date
  2014-07-28 – 2014-08-01
- Data Source
  KAKENHI-PROJECT-24340120

1. SAITO Susumu (40392716)

# of Collaborated Projects: 4 results

# of Collaborated Products: 21 results
2. YAMAMOTO Mamoru (20210560)

# of Collaborated Projects: 4 results

# of Collaborated Products: 91 results
3. OOTSUKA Yuichi (40314025)

# of Collaborated Projects: 4 results

# of Collaborated Products: 36 results
4. SAITO Akinori (10311739)

# of Collaborated Projects: 4 results

# of Collaborated Products: 24 results
5. Liu Huixin (70589639)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
6. TSUGAWA Takuya (20377782)

# of Collaborated Projects: 2 results

# of Collaborated Products: 15 results
7. 橋口浩之 (90293943)

# of Collaborated Projects: 2 results

# of Collaborated Products: 12 results
8. 塩川和夫 (80226092)

# of Collaborated Projects: 2 results

# of Collaborated Products: 6 results
9. 吉川顕正 (70284479)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
10. YAMAMOTO Masa-yuki (30368857)

# of Collaborated Projects: 1 results

# of Collaborated Products: 12 results
11. ABE Takumi (40255229)

# of Collaborated Projects: 1 results

# of Collaborated Products: 11 results
12. WATANABE Shigeto (90271577)

# of Collaborated Projects: 1 results

# of Collaborated Products: 12 results
13. MAMORU ISHII (20359003)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
14. MASAYUKI YAMAMOTO (90346073)

# of Collaborated Projects: 1 results

# of Collaborated Products: 14 results
15. 松永真由美 (30325360)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
16. 品川裕之 (00262915)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
17. 陣英克 (60466240)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
18. 三好由純 (10377781)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 小川泰信 (00362210)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
20. 謝怡凱 (30973820)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 三好勉信 (20243884)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
22. HOZUMI KORNYANAT (10856082)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
23. 西谷望 (10218159)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
24. 大山伸一郎 (20444424)

# of Collaborated Projects: 1 results

# of Collaborated Products: 24 results
25. 藤本晶子 (40578803)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
26. 野澤悟徳 (60212130)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
27. 能勢正仁 (90333559)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
28. 河谷芳雄 (00392960)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. フイシンリュウ

# of Collaborated Projects: 0 results

# of Collaborated Products: 22 results
30. 家森俊彦

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Yokoyama Tatsuhiro 横山 竜宏

YOKOYAMA Tatsuhiro 横山 竜宏

Research Projects

Research Products

Co-Researchers

CO2上昇による超高層寒冷化はメソスケール電離圏不規則構造にどう影響するのか

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Management of long-term ionospheric observation by machine learning and contribution to International Reference Ionosphere modelPrincipal Investigator

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International joint research of geospace variability by combining multi-point ground and satellite observations and modeling

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Study of latitudinal coupling of upper atmospheric variations based on multi-point ground network observations

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Study of ionospheric disturbances by coupling of global and local ionospheric numerical modelsPrincipal Investigator

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International study of equatorial ionosphere based on observations and models

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Ionospheric irregularities in low-mid latitudes and effects over Japanese ionospherePrincipal Investigator

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Study of spatio-temporal fluctuation of low latitude ionosphere by using new satellite-ground beacon observation and Equatorial Atmospheric Radar

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Study of relations between Equatorial Spread-F and ionospheric structures with Equatorial Atmosphere Radar and wide-area observation network

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Study of generation mechanism of middle-latitude ionospheric wave by rocket and ground-based observations

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[Journal Article] Observations of daytime topside ionospheric irregularities in the afternoon equatorial ionosphere2025

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[Journal Article] Satellite Traces: Ionogram Signatures of Bottom-Side Upwelling Structures - A Simulation Study2025

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Yokoyama Tatsuhiro 横山竜宏

YOKOYAMA Tatsuhiro 横山竜宏

[Journal Article] Amplitude enhancement of short period　GPS-TEC oscillations over rainfall area2022