Seismo-traveling ionospheric disturbances triggered by the 12 may 2008 m 8.0 wenchuan earthquake

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题名:	Seismo-traveling ionospheric disturbances triggered by the 12 may 2008 m 8.0 wenchuan earthquake
作者:	劉正彥;Liu, Jann-Yenq;Sun, Yang-Yi;Tsai, Ho-Fang;Lin, Chien-Hung
贡献者:	地球科學學院太空科學與工程學系
关键词:	Earth;Earth surface;Earthquakes;Forming techniques;GPS;Ionospheric disturbances;Seismic activity;STID;TEC;Travel time;Traveling ionospheric disturbances;Wenchuan Earthquake
日期:	2012-02-01
上传时间:	2026-04-23 11:05:56 (UTC+8)
出版者:	Chinese Geoscience Union;Taiwan: 中華民國地球科學學會
摘要:	摘要： A network of 6 ground-based GPS receivers in East Asia was employed to study seismo-traveling ionospheric disturbances (STIDs) triggered by an M 8.0 earthquake which occurred at Wenchuan on 12 May 2008. The network detected 5 STIDs on the south side of the epicenter area. A study on the distances of the detected STIDs to the epicenter versus their associated traveling times shows that the horizontal speed is about 600 m s-1. Applying the circle method, we find that the 5 circles intercept at a point right above the epicenter when the horizontal speed of 600 m s-1 is given. Global searches of the ray-tracing and the beam-forming techniques confirm that the STIDs are induced by vertical motions in the Earth's surface during the Wenchuan Earthquake. 出版者： Taiwan: 中華民國地球科學學會出版日期： 2012-02-01 出處： TAO : Terrestrial, atmospheric, and oceanic sciences, 2012-02, Vol.23 (1), p.9-15 資源來源： Chinese Electronic Periodical Services (CEPS) 版權： 2012. This work is licensed under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. 識別號： ISSN: 1017-0839 識別號： ISSN: 2223-8964 識別號： ISSN: 2311-7680 識別號： EISSN: 2311-7680 識別號： DOI: 10.3319/TAO.2011.08.03.01(T)
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