地震前的电磁效应
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摘要
伴随着孕震后期加剧的岩石应变与破裂过程,孕震区及其附近岩层出现机-电能量转换,并相应地激发了某些电磁效应。文中主要分析了地震前的电离层电磁效应,提出了附加电离区的VLF电波检测等监测手段,对强震的短临预测具有较为重要的意义。
Electromagnetic emissions and its related effects preceding earthquakes are the new areas explored in the recent more than 20 years. This exploration may have great significance for human lives and development and has been received widespread attention of scientists in the field of earthquake prediction, geophysics and radio physics. Along with intense rock strain and rock bursting process at the late stage of earthquake preparation, mechanical-electrical energy conversion would appear in the seismogenic region and its nearby rock layers, which will correspondingly stimulate certain electromagnetic effects. The paper mainly analyzes the pre-seismic electromagnetic effect of ionosphere and proposes the method of monitoring VLF electric wave over the additional ionized region and so on. It is deemed that the method is of significance for short and imminent term prediction of strong earthquake.
Electromagnetic emissions and its related effects preceding earthquakes are the new areas explored in the recent more than 20 years. This exploration may have great significance for human lives and development and has been received widespread attention of scientists in the field of earthquake prediction, geophysics and radio physics. Along with intense rock strain and rock bursting process at the late stage of earthquake preparation, mechanical-electrical energy conversion would appear in the seismogenic region and its nearby rock layers, which will correspondingly stimulate certain electromagnetic effects. The paper mainly analyzes the pre-seismic electromagnetic effect of ionosphere and proposes the method of monitoring VLF electric wave over the additional ionized region and so on. It is deemed that the method is of significance for short and imminent term prediction of strong earthquake.
引文
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黄清华.2005.地震电磁观测研究简述[J].国际地震动态,(11):1—3.HUANG Qing-hua.2005.The state-of-the-art in seismic electromagnetic observation[J].Recent Developments inWorld Seismology,(11):1—3(in Chinese).
Mexico D F.2005.电磁和电离层监测的短期地震预报系统[J].国际地震动态,(11):51.Mexico D F.2005.Electromagnetism and ionospheric monitoring-based short-term earthquake prediction system[J].Recent Developments in World Seismology,(11):51(in Chinese).
王增和.2001.电磁场与电磁波[M].北京:电子工业出版社.WANG Zeng-he.2001.Electromagnetic Field and Electromagnetic Wave[M].Electronics Industry PublishingHouse,Beijing(in Chinese).
熊皓.2001.地震孕育后期的电磁辐射及其相关效应[J].地震地磁观测与研究,22(1):1—8.Xiong Hao.2001.Electromagnetic emissions and its related effects preceding earthquakes[J].Seismological and Ge-omagnetic Observation and Research,22(1):1—8(in Chinese).
熊皓.2004.电磁波传播与空间环境[M].北京:电子工业出版社.XIONG Hao.2004.Electromagnetic Wave Dissemination and Spatial Environment[M].Electronics Industry Publish-ing House,Beijing(in Chinese).
卓贤军,赵国泽,王继军,等.2005.地震预测中的电磁卫星[J].大地测量与地球动力学,25(2):1.ZHUO Xian-jun,ZHAO Guo-ze,WANG Ji-jun,et al.2005.Seismo-electromagnetic satellite in earthquake prediction[J].Journal of Geodesy and Geodynamics,25(2):1(in Chinese).
Parrot M,Achache J,Berthelier J J,et al.1993.High-frequency seismo-electromagnetic effects[J].Physics of theEarth and Planetary Interiors,77(1—2):65—83.
Bleier T,Freund F.2005.Impending earthquake have been sending us warning signals and people are starting to lis-ten[J].IEEE Spectrum Int,(12):17—21.
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