震前电离层TEC异常分析
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摘要
利用地壳运动观测网络基准站的GPS载波相位观测值,对两个震例连续50天的VTEC数据做了时间序列分析,并以每15天的VTEC值的1.5倍标准差作为上下限进行震例检验,验证了震前存在电离层异常扰动。
On the basis of the GPS phase observation from the reference stations of crustal movement observation network,the continuous 50-day VTEC values before two Ms>6 earthquakes are analyzed,and the earthquake examples are tested with 1.5-muliple standard diviation of 15-day VTEC values as limited range.The results show that there were the ionospheric anomalies before the two related earthquakes.
On the basis of the GPS phase observation from the reference stations of crustal movement observation network,the continuous 50-day VTEC values before two Ms>6 earthquakes are analyzed,and the earthquake examples are tested with 1.5-muliple standard diviation of 15-day VTEC values as limited range.The results show that there were the ionospheric anomalies before the two related earthquakes.
引文
[1]http://www.neis.gov.cn
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2Sergey Pulinets and Kirill Boyarchuk.Ionospheric precursors of earthquakes[M].Springer,2004.
3Sorokina V M,Chmyrevb V M and Yaschenkoa A K.Main phenomenological features of ionospheric precursors of strong earthquakes[J].Journal of Atmospheric and Solar-Terres-trial Physics,2003,65:1337-1347.
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6Liu Zhizhao and Gao Yang.Ionospheric TEC predictions over a local area GPS reference network[J].GPS Solution,2004,8:23-29.
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9Pulinets S A,Boyarchuk K A,Lomonosov A M,et al.Iono-spheric precursors to earthquakes:a preliminary analysis of the foF2critical frequencies at Chung-Liground-based station for vertical sounding ionosphere(Taiwa island)[J].Geo-magnetism and Aeronomy,2002,42(4):508-513.
10Skone S and Hoyle V.Canadian GPS network for ionosphere monitoring[J].GPS Solution,2005,9:59-62.
11吴云,乔学军,周义炎.利用地基GPS探测震前电离层TEC异常[J].大地测量与地球动力学,2005,25(2):36～40.11Wu Yun,Qiao Xueju and Zhou Yiyan.Preseismic iono-spheric TEC anomaly detected by ground-based GPS[J].Journal of Geodesy and Geodynamics,2005,25(2):36-40.(in Chinese)
12鲁芳.电离层暴与行扰的GPS监测分析[D].武汉大学硕士论文,2004.12Lu Fang.Monitoring and analysis of ionospheric storms and TIDs using GPS array[D].Wuhan University,2004.(in Chinese)
13卓裕荣.地震电离层前兆[D].国立中央大学博士论文,2002.13Zhuo Yurong,Preseismic ionosphere[D].Central Universi-ty,2002.(in Chinese)
1Sorokina VM,Chmyrevb VMand Yaschenko AK.Theoret-ical model of DC electric field formation in the ionosphere stimulated by seismic activity[J].Journal of Atmospheric and Solar-Terrestrial Physics,2005,67:1259-1268.
2Sergey Pulinets and Kirill Boyarchuk.Ionospheric precursors of earthquakes[M].Springer,2004.
3Sorokina V M,Chmyrevb V M and Yaschenkoa A K.Main phenomenological features of ionospheric precursors of strong earthquakes[J].Journal of Atmospheric and Solar-Terres-trial Physics,2003,65:1337-1347.
4Yukio Fujinawa and Kozo Takahashi.Electromagnetic radia-tions associated with major earthquakes[R].Physics of the Earth and Planetary Interiors,1998,105:249-259.
5Molchanov O A and Hayakawa M.On the generation mecha-nism of ULF seismogenic electromagnetic emissions[J].Physics of the Earth and Planetary Interiors,1998,105:201-210.
6Liu Zhizhao and Gao Yang.Ionospheric TEC predictions over a local area GPS reference network[J].GPS Solution,2004,8:23-29.
7郭自强.地震低频电磁辐射研究[J].地球物理学报,1994,37(1):261～265.7Guo Ziqiang.Investigation on low-frequency seismoelec-tromagnetic emission[J].Chinese Journal of Geophysics,1994,37(1):261-265.(in Chinese)
8熊年禄,唐存琛,李行健.电离层物理概论[M].武汉:武汉大学出版社,1999.8Xiong Nianlu,Tang Chunchen and Li Xingjian.Ionosphere Physics[M].Wuhan:Wuhan University Press,1999.(in Chinese)
9Pulinets S A,Boyarchuk K A,Lomonosov A M,et al.Iono-spheric precursors to earthquakes:a preliminary analysis of the foF2critical frequencies at Chung-Liground-based station for vertical sounding ionosphere(Taiwa island)[J].Geo-magnetism and Aeronomy,2002,42(4):508-513.
10Skone S and Hoyle V.Canadian GPS network for ionosphere monitoring[J].GPS Solution,2005,9:59-62.
11吴云,乔学军,周义炎.利用地基GPS探测震前电离层TEC异常[J].大地测量与地球动力学,2005,25(2):36～40.11Wu Yun,Qiao Xueju and Zhou Yiyan.Preseismic iono-spheric TEC anomaly detected by ground-based GPS[J].Journal of Geodesy and Geodynamics,2005,25(2):36-40.(in Chinese)
12鲁芳.电离层暴与行扰的GPS监测分析[D].武汉大学硕士论文,2004.12Lu Fang.Monitoring and analysis of ionospheric storms and TIDs using GPS array[D].Wuhan University,2004.(in Chinese)
13卓裕荣.地震电离层前兆[D].国立中央大学博士论文,2002.13Zhuo Yurong,Preseismic ionosphere[D].Central Universi-ty,2002.(in Chinese)
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