地震电离层探测技术及其应用研究进展
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摘要
2017年即将发射的中国电磁监测试验卫星将填补地震电离层立体监测体系中不可或缺的空白区域,也将为天地一体化地震电磁对比校验及圈层耦合机理认识提供重要的科学支撑.针对近期地震电离层立体监测体系发展的需求,本文主要介绍了目前国内用于地震研究的地基及空基电离层探测技术,包括电离层垂测/斜测、甚低频(VLF)电波观测、舒曼谐振观测、GPS及空间卫星电磁等,并总结了各种探测技术在国内外地震应用研究中的进展;最后结合不同探测手段的优势,探讨了地震电磁立体探测系统的构建,并就未来的多手段综合应用发展提出了建议.
China Seismo-Electromagnetic Satellite(CSES)will be launched in2017,which will fill in the gap in the stereo seismo-ionospheric monitoring system,and provide the scientific support for integrated space-ground compari-son and validation in seismo-electromagnetic field,and for further understanding geosphere coupling mechanism.In order to meet the development requirements in stereo seismo-ionospheric monitoring system and fully understand each tool,this paper introduces the major ground-based and space-borne ionospheric monitoring technologies in China,including vertical/slant ionosounding,VLF(very low frequency)electromagnetic wave observation,Shumann resonance detection,GPS TEC(total electron content),and space electromagnetic satellite.Meanwhile,the application achievements in earthquake research are summarized,especially the developing status in China.Finally based on the integration of advantages for each technology,the basic framework of stereo electromagnetic monitoring system is discussed,and future comprehensive research fields are also suggested based on multi-source observation data from this system.
China Seismo-Electromagnetic Satellite(CSES)will be launched in2017,which will fill in the gap in the stereo seismo-ionospheric monitoring system,and provide the scientific support for integrated space-ground compari-son and validation in seismo-electromagnetic field,and for further understanding geosphere coupling mechanism.In order to meet the development requirements in stereo seismo-ionospheric monitoring system and fully understand each tool,this paper introduces the major ground-based and space-borne ionospheric monitoring technologies in China,including vertical/slant ionosounding,VLF(very low frequency)electromagnetic wave observation,Shumann resonance detection,GPS TEC(total electron content),and space electromagnetic satellite.Meanwhile,the application achievements in earthquake research are summarized,especially the developing status in China.Finally based on the integration of advantages for each technology,the basic framework of stereo electromagnetic monitoring system is discussed,and future comprehensive research fields are also suggested based on multi-source observation data from this system.
引文
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