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GONG SHAOJING, YANG GUIJUN, TIAN SHAN, YU BINcom sh a. 1991: A RESEARCH ON THE TIME CHANGES OF TRANSFER FUN-CTIONS AT HEZE OBSERVATORY BEFORE AND AFTER THE HEZE EARTHQUAKE OF MAGNITUDE 5.9A DISCUSSION WITH WANG QI. Acta Seismologica Sinica, 13(1): 113-120.
Citation: GONG SHAOJING, YANG GUIJUN, TIAN SHAN, YU BINcom sh a. 1991: A RESEARCH ON THE TIME CHANGES OF TRANSFER FUN-CTIONS AT HEZE OBSERVATORY BEFORE AND AFTER THE HEZE EARTHQUAKE OF MAGNITUDE 5.9A DISCUSSION WITH WANG QI. Acta Seismologica Sinica, 13(1): 113-120.
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A RESEARCH ON THE TIME CHANGES OF TRANSFER FUN-CTIONS AT HEZE OBSERVATORY BEFORE AND AFTER THE HEZE EARTHQUAKE OF MAGNITUDE 5.9A DISCUSSION WITH WANG QI

  • Tianjin Scismological Bureau, Tianjin 300201, China

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  • Published Date: September 01, 2011
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    • Abstract
  • In this paper, the coefficients Parkinson vector a, b and the in-phase part Ar, Br and quadrature-phase part A1, B1 of transfer functions are calculated by using two kinds of data processing methods, respectively. The results of both methods are close to each other. All the six parameters mentioned above are low in value, showing that the electric structure in the Heze area is rather uniform. It seems that anomalous changes appear in both results, and the values of parameters decrease before and after the Heze earthquake.
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    • References (1)
  • [1] 王铸,1988.与1983年11月7日菏泽5.9级地震可能有关的菏泽台地磁转换函数异常变化。地震学报,10,49——57

    [2] Parkinson, W. D., 1962. The Influence of continents and oceans on geomagnetic variations.Geophys. J., 6, 441——449,

    [3] Sano, Y., 1980. Time changes of transfer Functions at Kakioka related to earthquake occurrences (1). Geophys. Mag., 39, 93——116.

    [4] Yanagihara, K., 1972. Secular variation of the electrical conductivity ano m aly in the central part of Japan. Memo. Kaioa Mag, obs., 15, 1——11.

    [5] Shiraki, M., 1980. Monitoring of the time change in transfer functions in the central Japan conductivity anomaly. J. Geomag. Geoelectr., 32, 637——648,

    [6] Gong, S. J., 1985. Anomalous changes in transfer functions and the 1976 Tangshan earthquake(M=7.8). J. Geomag. Geoelectr., 37, 49一57.

    [7] 中国科学院数学研究所数理统计组,1974.回归分析方法, 33——36.科学出版社,北京.

    [1] 王铸,1988.与1983年11月7日菏泽5.9级地震可能有关的菏泽台地磁转换函数异常变化。地震学报,10,49——57

    [2] Parkinson, W. D., 1962. The Influence of continents and oceans on geomagnetic variations.Geophys. J., 6, 441——449,

    [3] Sano, Y., 1980. Time changes of transfer Functions at Kakioka related to earthquake occurrences (1). Geophys. Mag., 39, 93——116.

    [4] Yanagihara, K., 1972. Secular variation of the electrical conductivity ano m aly in the central part of Japan. Memo. Kaioa Mag, obs., 15, 1——11.

    [5] Shiraki, M., 1980. Monitoring of the time change in transfer functions in the central Japan conductivity anomaly. J. Geomag. Geoelectr., 32, 637——648,

    [6] Gong, S. J., 1985. Anomalous changes in transfer functions and the 1976 Tangshan earthquake(M=7.8). J. Geomag. Geoelectr., 37, 49一57.

    [7] 中国科学院数学研究所数理统计组,1974.回归分析方法, 33——36.科学出版社,北京.
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