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First GPS TEC maps of ionospheric disturbances induced by reflected tsunami waves: The Tohoku case study
| Content Provider | Semantic Scholar |
|---|---|
| Author | Tang, L. Zhao, Yun-Mei An, Jiachun |
| Copyright Year | 2016 |
| Abstract | Abstract. The straight tsunami waves from epicenter can be reflected when they reach to coasts or underwater obstacles. In this study, we present the first ionospheric maps of reflected tsunami signature caused by the great 11 March 2011 Tohoku earthquake using the dense GPS network GEONET in Japan. We observed tsunami-like travelling ionospheric disturbances (TIDs) with similar propagation characteristics in terms of waveform, horizontal velocity, direction, period and arrival time compared to the reflected tsunami at the sea-level, indicating the TIDs are induced by the reflected tsunami. The results confirm the atmospheric internal gravity waves (IGWs) produced by reflected tsunami can also propagate upward to the atmosphere and interact with the plasma at the ionospheric height. |
| Starting Page | 1 |
| Ending Page | 14 |
| Page Count | 14 |
| File Format | PDF HTM / HTML |
| DOI | 10.5194/nhess-2016-11 |
| Alternate Webpage(s) | https://www.nat-hazards-earth-syst-sci-discuss.net/nhess-2016-11/nhess-2016-11.pdf |
| Alternate Webpage(s) | https://doi.org/10.5194/nhess-2016-11 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |