Ionospheric GNSS Total Electron Content for Tsunami Warning-Reference-Cited by-同舟云学术

Ionospheric GNSS Total Electron Content for Tsunami Warning

Published:2019-09-26 Issue:05n06 Volume:13 Page:1941007
ISSN:1793-4311
Container-title:Journal of Earthquake and Tsunami
language:en
Short-container-title:J. Earthquake and Tsunami

Author:

Liu Jann-Yenq¹²³,Lin Chi-Yen¹²,Tsai Yu-Lin⁴,Liu Tien-Chi⁴,Hattori Katsumi⁵,Sun Yang-Yi⁶,Wu Tso-Ren⁴

Affiliation:

1. Center for Astronautical Physics and Engineering, National Central University, Taoyuan, Taiwan, R. O. C.

2. Institute of Space Science, National Central University, Taoyuan, Taiwan, R. O. C.

3. Center for Space and Remote Sensing Research, National Central University, Taoyuan, Taiwan, R. O. C.

4. Graduate Institute of Hydrological and Oceanic Sciences, National Central University, Taoyuan, Taiwan, R. O. C.

5. Graduate School of Science, Chiba University, Chiba, Japan

6. Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan, P. R. China

Abstract

Tsunami waves can induce tsunami traveling ionospheric disturbances (TTIDs) of the total electron content (TEC). In this study, we examine the TEC derived by ground-based receivers of the global positioning system (GPS) and identify TTIDs induced by 2004 Indian Ocean tsunami. Simulations of the COMCOT (Cornell multi-grid coupled tsunami) model and analyses of the circle method, the ray-tracing technique, and the beam-forming technique are used to show that TTIDs can be quickly detected and confirmed after the tsunami occurrence. Finally, the ionospheric TEC derived by existing ground-based GNSS (Global Navigation Satellite Systems) receiving stations is demonstrated to be useful to support the tsunami early warning system.

Publisher

World Scientific Pub Co Pte Lt

Subject

Geophysics,Geotechnical Engineering and Engineering Geology,Oceanography

Link

https://www.worldscientific.com/doi/pdf/10.1142/S1793431119410070

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