Ionospheric foF2 variations prior to strong earthquakes in Taiwan area

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

doi:10.1016/S0273-1177(01)00209-5

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

29 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
卷	27
發行號	6-7
DOIs	https://doi.org/10.1016/S0273-1177(01)00209-5
出版狀態	已出版 - 2001

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10.1016/S0273-1177(01)00209-5

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title = "Ionospheric foF2 variations prior to strong earthquakes in Taiwan area",

abstract = "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.",

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T1 - Ionospheric foF2 variations prior to strong earthquakes in Taiwan area

AU - Chuo, Y. J.

AU - Chen, Y. I.

AU - Liu, J. Y.

AU - Pulinets, S. A.

PY - 2001

Y1 - 2001

N2 - 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.

AB - 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.

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U2 - 10.1016/S0273-1177(01)00209-5

DO - 10.1016/S0273-1177(01)00209-5

M3 - 期刊論文

AN - SCOPUS:0034813510

SN - 0273-1177

VL - 27

SP - 1305

EP - 1310

JO - Advances in Space Research

JF - Advances in Space Research

IS - 6-7

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Ionospheric foF2 variations prior to strong earthquakes in Taiwan area

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