New ELF Observation Site in Moshiri, Hokkaido Japan and the Results of Preliminary Data Analysis

New ELF Observation Site in Moshiri, Hokkaido Japan and the Results of Preliminary Data Analysis
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日本北海道莫尻新ELF观测站及初步数据分析结果

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发表时间：
2000
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通讯作者：
M. Hayakawa
M. Hayakawa
中科院分区：
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文献类型：
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作者：
Y. Hobara;N. Iwasaki;T. Hayashida;N. Tsuchiya;E. Williams;M. Sera;Y. Ikegami;M. Hayakawa

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： 1996年12月在日本北海道Moshiri安装了全校准宽带（lHz<f<lkHz）三分量极低频测量系统作为常设站。我们一直在观测连续的背景信号，包括舒曼共振和极低频瞬态事件。初步数据分析表明，从Schumann共振幅值推导出全球雷暴活动的清晰日和季节模式，并利用ELF事件绘制了全球雷暴位置图。进一步讨论了极低频事件与中间层光学事件的关系。
: Fully calibrated wide-band (lHz<f<lkHz) three-component ELF measurement system has been installed as a permanent station in Moshiri, Hokkaido Japan in December 1996. We have been observing continuous background signals including Schumann resonances and ELF transient events. Preliminary data a~alysis shows the clear diurnal and seasonal patterns of global thunderstorm activities deduced from Schumann resonance amplitudes, and the global mapping of lightning locations are produced by using ELF events. Further the ELF events in association with mesospheric optical events are discussed.