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Brief communication 'monitoring ionospheric variations before earthquakes using the vertical and oblique sounding network over China'

机译:简短交流“利用中国的垂直和倾斜测深网络监测地震前的电离层变化”

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摘要

The problem of earthquake prediction has stimulated the research for correlation between seismic activity and ionospheric anomaly. Many observations have shown the existence of anomaly of critical frequency of ionospheric F-region, foF2, before earthquake onset. Ionospheric sounding has been conducted routinely for more than 60 years in China by the China Research Institute of Radiowave Propagation (CRIRP), and deveoloped a very powerful ability to observe the ionosphere. In this paper, we briefly describe the anomalous variation of the foF2 before Ms8.0 Wenchuan earthquake (occurred on 12 May 2008 at 14:28 LT; 31.00° N, 103.40° E), which is a sign of the great interest arising in the seismo-ionospheric investigation of Chinese researchers. Furthermore, we introduce the routine work on seismo-ionospheric anomaly by the ground based high-resolution ionospheric observation (GBHIO) network comprising 5 vertical and 20 oblique sounding stations.
机译:地震预报问题激发了地震活动与电离层异常之间相关性的研究。许多观测结果表明,在地震发生之前,电离层F区域foF2的临界频率存在异常。中国无线电波传播研究院(CRIRP)在中国已常规开展了60多年的电离层探测工作,它具有非常强大的观测电离层的能力。在本文中,我们简要描述了汶川Ms8.0地震(发生在2008年5月12日,美国中部时间LT 14:28;北纬31.00°,东经103.40°)之前foF2的异常变化,这表明人们对FOF2产生了浓厚的兴趣。中国研究人员的电离层调查。此外,我们通过包括5个垂直和20个倾斜测深站的地面高分辨率电离层观测(GBHIO)网络,介绍了常规的电离层异常工作。

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