Ionospheric foF2 variations prior to strong earthquakes in Taiwan area

Y. J. Chuo, Y. I. Chen, J. Y. Liu, S. A. Pulinets

研究成果: 雜誌貢獻期刊論文同行評審

27 引文 斯高帕斯(Scopus)

摘要

Many studies of the seismo-ionospheric coupling effects have been reported. On 17 July 1998(M=6.2), 20 September 1999 (M=7.3) and 22 October 1999 (M=6.4) three large earthquakes respectively struck Rei-Li, Chi-Chi and Chia-Yi in central Taiwan. The three earthquakes severely damaged structures, heavily changed landforms and disturbed geophysical environments. This paper examines variations of the ionospheric penetration frequency, foF2, observed by Chung-Li ionosonde station (25.0° N, 121.1° E) several days before the three earthquakes. The mean- and median-based statistical techniques are introduced to investigate the ionospheric electron density prior to the three earthquakes. Results show that the foF2 decrease significantly before the three earthquakes.

原文???core.languages.en_GB???
頁(從 - 到)1305-1310
頁數6
期刊Advances in Space Research
27
發行號6-7
DOIs
出版狀態已出版 - 2001

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