Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019GL085399 |
The Contribution of Flux Transfer Events to Mercury's Dungey Cycle | |
Fear, R. C.; Coxon, J. C.; Jackman, C. M. | |
2019-12-23 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
文章类型 | Article;Early Access |
语种 | 英语 |
国家 | England |
英文摘要 | Bursty dayside reconnection plays a proportionally larger role in the driving of Mercury's magnetosphere than it does at Earth. Individual bursts of reconnection, called flux transfer events (FTEs), are thought to open up to 5% of Mercury's polar cap; coupled with the much higher repetition rate of FTEs at Mercury and the short Dungey cycle timescale, this makes FTEs the major driver of Mercury's magnetosphere. However, comparison between spacecraft and ionospheric observations at Earth suggests that the terrestrial contribution of FTEs may have been severely underestimated, by making implicit assumptions about FTE structure. In this study, we consider the implications of removing these assumptions at Mercury; by considering FTE mechanisms based on longer reconnection lines, we find that the contribution of FTEs to Mercury's Dungey cycle could be 5 times greater than previously thought and that FTEs may be able to provide sufficient flux transport to drive Mercury's substorm cycle. |
英文关键词 | Reconnection Mercury Flux transfer event Dungey cycle |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000503923700001 |
WOS关键词 | MESSENGER OBSERVATIONS ; MAGNETIC-FIELD ; DAYSIDE MAGNETOSPHERE ; MAGNETOPAUSE ; SIGNATURES |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
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/225234 |
专题 | 环境与发展全球科技态势 |
作者单位 | Univ Southampton, Sch Phys & Astron, Southampton, Hants, England |
推荐引用方式 GB/T 7714 | Fear, R. C.,Coxon, J. C.,Jackman, C. M.. The Contribution of Flux Transfer Events to Mercury's Dungey Cycle[J]. GEOPHYSICAL RESEARCH LETTERS,2019. |
APA | Fear, R. C.,Coxon, J. C.,&Jackman, C. M..(2019).The Contribution of Flux Transfer Events to Mercury's Dungey Cycle.GEOPHYSICAL RESEARCH LETTERS. |
MLA | Fear, R. C.,et al."The Contribution of Flux Transfer Events to Mercury's Dungey Cycle".GEOPHYSICAL RESEARCH LETTERS (2019). |
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