Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020GL088921 |
Variations in Night Side Magnetic Field Topology at Mars | |
D. A. Brain; T. Weber; S. Xu; D. L. Mitchell; R. J. Lillis; J. S. Halekas; J. Espley; B. M. Jakosky | |
2020-08-06 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2020 |
英文摘要 | The Martian plasma environment contains a complex magnetic topology, with contributions from the interplanetary magnetic field (IMF) and crustal magnetic fields. The topology can control how plasma is exchanged between the solar wind and the Martian ionosphere. Here we use 7 years of suprathermal electron pitch angle distributions recorded by the Mars Global Surveyor (MGS) spacecraft to determine the topology at 2am and 400 km on the Martian nightside as a function of geographic location and external drivers. Observations show that topology statistically varies with IMF direction, solar wind pressure, solar Extreme Ultraviolet (EUV) flux, and season. Changes in topology with IMF direction and season are consistent with changes in the likelihood of magnetic reconnection between individual crustal fields and the draped IMF. Changes in topology at a given location with solar wind pressure and solar EUV flux are consistent with reconfiguration of topological structures in the plasma environment. ‐ |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/287653 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | D. A. Brain,T. Weber,S. Xu,et al. Variations in Night Side Magnetic Field Topology at Mars[J]. Geophysical Research Letters,2020. |
APA | D. A. Brain.,T. Weber.,S. Xu.,D. L. Mitchell.,R. J. Lillis.,...&B. M. Jakosky.(2020).Variations in Night Side Magnetic Field Topology at Mars.Geophysical Research Letters. |
MLA | D. A. Brain,et al."Variations in Night Side Magnetic Field Topology at Mars".Geophysical Research Letters (2020). |
条目包含的文件 | 条目无相关文件。 |
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