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DOI | 10.1029/2019GL082548 |
The Lunar Paleo-Magnetosphere: Implications for the Accumulation of Polar Volatile Deposits | |
Garrick-Bethell, I.1,2; Poppe, A. R.3,4; Fatemi, S.5 | |
2019-06-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
卷号 | 46期号:11页码:5778-5787 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; South Korea; Sweden |
英文摘要 | Analyses of lunar samples suggest the Moon once possessed a dynamo from similar to 4.25 Ga until perhaps as recently as 1 Ga, with surface field strengths between similar to 5 and 100 mu T. While the exact timing, strength, and structure of these paleomagnetic fields are not precisely known, such relatively strong fields imply that the Moon also likely possessed a magnetosphere. Here, we present hybrid plasma simulations of the structure and morphology of the putative lunar paleo-magnetosphere for varying surface field strengths and orientations, using ambient solar wind conditions representative of the early Sun. The presence of the paleo-magnetosphere reduces total solar wind fluxes to the lunar surface overall yet, for a spin-aligned dynamo, increases the relative solar wind flux to the lunar polar regions. In turn, the paleo-magnetosphere may have altered the rate of volatile accretion to the Moon over its history. |
英文关键词 | magnetosphere moon paleomagnetism volatiles |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000477616200017 |
WOS关键词 | MESSENGER OBSERVATIONS ; SPATIAL-DISTRIBUTION ; MAGNETIC-ANOMALIES ; MERCURYS ; MOON ; SURFACE ; SOLAR ; MAGNETOPAUSE ; ORIGIN ; DYNAMO |
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/184081 |
专题 | 气候变化 |
作者单位 | 1.Univ Calif Santa Cruz, Dept Earth & Planetary Sci, Santa Cruz, CA 95064 USA; 2.Kyung Hee Univ, Sch Space Res, Yongin, South Korea; 3.Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA; 4.NASA, Solar Syst Explorat Res Virtual Inst, Ames Res Ctr, Mountain View, CA USA; 5.Swedish Inst Space Phys, Kiruna, Sweden |
推荐引用方式 GB/T 7714 | Garrick-Bethell, I.,Poppe, A. R.,Fatemi, S.. The Lunar Paleo-Magnetosphere: Implications for the Accumulation of Polar Volatile Deposits[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(11):5778-5787. |
APA | Garrick-Bethell, I.,Poppe, A. R.,&Fatemi, S..(2019).The Lunar Paleo-Magnetosphere: Implications for the Accumulation of Polar Volatile Deposits.GEOPHYSICAL RESEARCH LETTERS,46(11),5778-5787. |
MLA | Garrick-Bethell, I.,et al."The Lunar Paleo-Magnetosphere: Implications for the Accumulation of Polar Volatile Deposits".GEOPHYSICAL RESEARCH LETTERS 46.11(2019):5778-5787. |
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