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arXiv physics/0202072physics.geo-ph
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利用国际GPS网资料估算不同电离层区域对太阳耀斑TEC响应的贡献

Estimating the contribution from different ionospheric regions to the TEC response to the solar flares using data from the international GPS network

L. A. Leonovich, E. L. Afraimovich, E. B. Romanova, A. V. Taschilin

摘要:

本文提出了一种利用地球对大气的部分遮蔽效应估算电离层不同区域对总电子含量变化对太阳耀斑响应的贡献的新方法。这项研究使用位于地面阴影边界附近的GPS站在夜侧半球。这些台站的卫星发射器和地面接收器之间的光束部分穿过位于完全阴影区域的大气层,部分穿过被照亮的大气层。对2000年7月14日(10:24 UT,N22 W 07)在平静地磁条件下(Dst=-10 nT)记录到的X5.7/3B级强太阳耀斑的电离层效应的分析表明,约20%的TEC增加对应于100 km以下的电离层区域,约5%对应于电离层E区(100-140 km),约30%对应于F1区(140-200 km),约30%对应于300 km以上的区域。

英文摘要:

This paper proposes a new method for estimating the contribution from different ionospheric regions to the response of total electron content variations to the solar flare which uses the effect of partial shadowing of the atmosphere by the terrestrial globe. The study uses GPS stations located near the boundary of the shadow on the ground in the nightside hemisphere. The beams between the satellite-borne transmitter and the receiver on the ground for these stations pass partially through the atmosphere lying in the region of total shadow and partially through the illuminated atmosphere. The analysis of the ionospheric effect of a powerful solar flare of class X5.7/3B that was recorded on July 14, 2000 (10:24 UT, N22W07) in quiet geomagnetic conditions (Dst=-10 nT) has shown that about 20% of the TEC increase correspond to the ionospheric region lying below 100 km, about 5% refer to the ionospheric E-region (100-140 km), about 30% correspond to the F1-region (140-200 km), and about 30% to regions lying above 300 km.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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