| Project/Area Number |
22740326
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Space and upper atmospheric physics
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| Research Institution | National Institute of Information and Communications Technology |
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Principal Investigator |
TSUGAWA Takuya 独立行政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, 主任研究員 (20377782)
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| Research Collaborator |
SAITO Akinori 京都大学, 大学院・理学研究科, 准教授 (10311739)
OTSUKA Yuichi 名古屋大学, 太陽地球環境研究所, 准教授 (40314025)
NISHIOKA Michi (独)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, 専攻研究員 (20582589)
NAKATA Hiroyuki 千葉大学, 大学院・工学研究科, 助教 (30345011)
SAITO Susumu (独)電子航法研究所, 通信航法監視領域, 主任研究員 (40392716)
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| Project Period (FY) |
2010 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Keywords | 電離圏 / GPS / 全電子数 / 移動性電離圏擾乱 / プラズマバブル / シンチレーション / ロック損失 / ROTI / 伝播性電離圏擾乱 |
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| Research Abstract |
Two-dimensional maps of ionospheric total electron content(TEC), rate of TEC change index(ROTI), loss-of-lock on GPS signals were derived using GPS receiver networks in Japan and the world. Using these data, ionospheric disturbances such as TIDs and plasma bubbles and their effects on GNSS were statistically studied. We have started realtime two-dimensional GPS-TEC observation in Japan and detected clear concentric ionospheric waves after the 2011 Tohoku earthquake.
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