首页> 中文期刊> 《地震地磁观测与研究》 >廊坊、富克地磁台观测数据分析

廊坊、富克地磁台观测数据分析

         

摘要

There is high relativity and the similar variation during geomagnetic storm and quiet periods between the data of Langfang, Fuke geomagnetic stations and Shisanling, Sanya, MMB geomagnetic stations. Based on the data of the two stations, the work of extracting the geomagnetic pulsations was carried out using the Fourier transform. The research results show that the duration, average strength, variation of Pc5 pulsation and the duration, average strength, variations of Pi1 pulsation and the duration of Pi2 pulsation had the signiifcant change during geomagnetic storm periods which form the basis for the study of relationship between pulsation and the relativistic electron lfux enhancement event.%通过将廊坊、富克地磁台站数据与国内地磁台站十三陵、三亚台以及国际标准地磁台站MMB台的观测数据对比分析,发现各地磁台站数据变化幅度相近、相关性高,对地磁暴有明显响应,且磁暴期间各时段扰动幅度相近。同时,以高质量地磁数据为基础,采用快速傅里叶变换,对廊坊与富克地磁台站的地磁观测数据开展地磁脉动提取,研究发现,两个台站在地磁暴期间均能观测到明显的Pi1、Pi2、Pc5地磁脉动,且Pc5的持续时间、平均强度、变化幅度和Pi1的持续时间、变化幅度及Pi2的变化幅度均有明显增加,为今后开展地磁脉动与高能电子增强事件相关性研究奠定了基础。

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