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DOI | 10.1002/2017GL076507 |
New Model for Ionospheric Irregularities at Mars | |
Keskinen, M. J. | |
2018-03-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2018 |
卷号 | 45期号:5页码:2177-2183 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | A new model for ionospheric irregularities at Mars is presented. It is shown that wind-driven currents in the dynamo region of the Martian ionosphere can be unstable to the electromagnetic gradient drift instability. This plasma instability can generate ionospheric density and magnetic field irregularities with scale sizes of approximately 15-20km down to a few kilometers. We show that the instability-driven magnetic field fluctuation amplitudes relative to background are correlated with the ionospheric density fluctuation amplitudes relative to background. Our results can explain recent observations made by the Mars Atmosphere and Volatile EvolutioN spacecraft in the Martian ionosphere dynamo region. |
英文关键词 | Mars ionosphere plasma instability |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000428402400007 |
WOS关键词 | EQUATORIAL ELECTROJET ; MARTIAN IONOSPHERE ; NIGHTSIDE IONOSPHERE ; INSTABILITY ; TURBULENCE ; PLASMA ; WINDS |
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/27849 |
专题 | 气候变化 |
作者单位 | Space Sci & Technol Inc, Springfield, VA USA |
推荐引用方式 GB/T 7714 | Keskinen, M. J.. New Model for Ionospheric Irregularities at Mars[J]. GEOPHYSICAL RESEARCH LETTERS,2018,45(5):2177-2183. |
APA | Keskinen, M. J..(2018).New Model for Ionospheric Irregularities at Mars.GEOPHYSICAL RESEARCH LETTERS,45(5),2177-2183. |
MLA | Keskinen, M. J.."New Model for Ionospheric Irregularities at Mars".GEOPHYSICAL RESEARCH LETTERS 45.5(2018):2177-2183. |
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