Magnetic Field in the Earth's Magnetosheath: Models Versus Observations

IF 2.6 2区地球科学 Q2 ASTRONOMY & ASTROPHYSICS

Journal of Geophysical Research: Space Physics Pub Date : 2024-09-27 DOI:10.1029/2023JA032393

M. Vandas, E. Romashets

引用次数: 0

Abstract

Magnetic field measurements in the Earth's magnetosheath are compared with four analytical models, namely Kobel and Flückiger (1994), (https://doi.org/10.1029/94ja01778), Romashets and Vandas (2019), (https://doi.org/10.1029/2018ja026006), Vandas and Romashets (2019), (https://doi.org/10.1016/j.pss.2019.07.007), and Romashets et al. (2010), (https://doi.org/10.1016/j.jastp.2010.10.010). The bow shock and the magnetopause are modeled as paraboloids in all models except that of Vandas and Romashets (2019), (https://doi.org/10.1016/j.pss.2019.07.007), in which they are assumed to be spheroids. 34 magnetosheath crossings by spacecraft are analyzed in detail and it is concluded that the model by Kobel and Flückiger (1994), (https://doi.org/10.1029/94ja01778) performs the best.

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地球磁鞘中的磁场：模型与观测

地球磁鞘的磁场测量结果与四个分析模型进行了比较，即 Kobel 和 Flückiger（1994 年），(https://doi.org/10.1029/94ja01778)；Romashets 和 Vandas（2019 年），(https://doi.org/10.1029/2018ja026006)；Vandas 和 Romashets（2019 年），(https://doi.org/10.1016/j.pss.2019.07.007)；以及 Romashets 等人（2010 年），(https://doi.org/10.1016/j.jastp.2010.10.010)。除了 Vandas 和 Romashets (2019), (https://doi.org/10.1016/j.pss.2019.07.007) 的模型假定弓形冲击和磁层顶为球面之外，其他所有模型都将弓形冲击和磁层顶假定为抛物面。详细分析了航天器穿越的 34 个磁鞘，结论是 Kobel 和 Flückiger (1994), (https://doi.org/10.1029/94ja01778) 的模型表现最好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Geophysical Research: Space Physics Earth and Planetary Sciences-Geophysics

CiteScore

5.30

自引率

35.70%

发文量

570