BAI TONGXIA, ZHANG YUMIN, QI GUIZHONGcom sh advance. 1987: CHARACTERISTICS OF GEOMAGNETIC STORM SPECTRA IN MIDDLE AND LOW LATITUDE REGIONS AND THEIR RELATION WITH THE TANGSHAN EARTHQUAKE. Acta Seismologica Sinica, 9(3): 266-281.
Citation: BAI TONGXIA, ZHANG YUMIN, QI GUIZHONGcom sh advance. 1987: CHARACTERISTICS OF GEOMAGNETIC STORM SPECTRA IN MIDDLE AND LOW LATITUDE REGIONS AND THEIR RELATION WITH THE TANGSHAN EARTHQUAKE. Acta Seismologica Sinica, 9(3): 266-281.

CHARACTERISTICS OF GEOMAGNETIC STORM SPECTRA IN MIDDLE AND LOW LATITUDE REGIONS AND THEIR RELATION WITH THE TANGSHAN EARTHQUAKE

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  • Published Date: September 01, 2011
  • In this paper, the characteristics of 80 magnetic storms have been analyzed and compared for the observatories of the seven places: Beijing Qingguang, Changli, Guangzhou, Sheshan, Wuchang and Changchun during 1973-1977.The general natures of the magnetic storm spectral amplitude have been obtained. The results show:1. There are synchronous trends of change in the magnetic storm spectral amplitude for the seven observatories.2. The spectral slopes of all the magnetic storms are almost the same. The yearly average values of the spectral slope b are quite steady within the period range from 0.5 to 6.8 hours. That is, the magnetic storms have the same energy partitioning factor.3. There are significant changes in the yearly average values of spectral intercepts for the three observatories of Beijing, Qingguang and Changli which are near the Tangshan earthquake area, but the yearly average values of the spectral intercepts are quite steady for the four observatories of Guangzhou, Sheshan, Wuchang and Changchun which are far from the Tangshan area. It seems likely that the significant changes are related to the great Tangshan earthquake of July 28, 1976.
  • [1] 白彤霞、张玉敏、祁贵仲、詹志佳、封长华,北京地区磁暴频谱及能量的分配因子,空间科学学报,4,154——172, 1984,

    [2] Akasofu, S.——L, Study of individual geomagnetic storms in terms of the solar wind, Planetary and rpace Science, 28, 933——946, 1980.

    [3] Akasofu, S. ——L, The solar wind——magnetosphere energy coupling and magnetospheric disturbances, Planetary and rpace rcience, 28. 495——509, 1980.

    [4] 祁贵仲、侯作中、范国华、詹志佳,地震的感应磁效应(一),地球物理学报,20, 70——80, 1977,

    [5] 祁贵仲、侯作中、范国华、詹志佳,地震的感应磁效应(二),地球物理学报,24, 245——257, 1981,

    [6] 龚绍京、吴占峰,唐山地震可能伴随的地电导率变化,地震学报,8, 28——36, 1986,

    [7] 祁贵仲、膨胀磁效应,地球物理学报,21, 18——33, 1978.

    [1] 白彤霞、张玉敏、祁贵仲、詹志佳、封长华,北京地区磁暴频谱及能量的分配因子,空间科学学报,4,154——172, 1984,

    [2] Akasofu, S.——L, Study of individual geomagnetic storms in terms of the solar wind, Planetary and rpace Science, 28, 933——946, 1980.

    [3] Akasofu, S. ——L, The solar wind——magnetosphere energy coupling and magnetospheric disturbances, Planetary and rpace rcience, 28. 495——509, 1980.

    [4] 祁贵仲、侯作中、范国华、詹志佳,地震的感应磁效应(一),地球物理学报,20, 70——80, 1977,

    [5] 祁贵仲、侯作中、范国华、詹志佳,地震的感应磁效应(二),地球物理学报,24, 245——257, 1981,

    [6] 龚绍京、吴占峰,唐山地震可能伴随的地电导率变化,地震学报,8, 28——36, 1986,

    [7] 祁贵仲、膨胀磁效应,地球物理学报,21, 18——33, 1978.
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