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DOI | 10.1029/2019GL086372 |
Flux Erosion of Magnetic Clouds by Reconnection With the Sun's Open Flux | |
Pal, Sanchita1; Dash, Soumyaranjan1; Nandy, Dibyendu1,2 | |
2020-04-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2020 |
卷号 | 47期号:8 |
文章类型 | Article |
语种 | 英语 |
国家 | India |
英文摘要 | Magnetic clouds (MCs) are flux rope magnetic structures forming a subset of solar coronal mass ejections, which have significant space weather impacts. The geoeffectiveness of MCs depends on their properties, which evolve during their interplanetary passage. Based on an analysis of observations spanning two solar cycles, we establish that MCs interacting with the ambient solar wind magnetic field (i.e., heliospheric open flux) lose a substantial amount of their initial magnetic flux via magnetic reconnection, which, in some cases, reduce their geoeffectiveness. We find a linear correlation between the eroded flux of MCs and solar open flux which is consistent with the scenario that MC erosion is mediated via the local heliospheric magnetic field draping around an MC during its interplanetary propagation. The solar open flux is governed by the sunspot cycle. This work therefore uncovers a hitherto unknown pathway for solar cycle modulation of the properties of MCs. |
英文关键词 | magnetic cloud solar open flux magnetic reconnection magnetic flux rope |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000530332600005 |
WOS关键词 | CORONAL MASS EJECTA ; FIELD ; INTERPLANETARY ; MODEL ; ROPE |
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/279875 |
专题 | 气候变化 |
作者单位 | 1.Indian Inst Sci Educ & Res Kolkata, Ctr Excellence Space Sci India, Mohanpur, India; 2.Indian Inst Sci Educ & Res Kolkata, Dept Phys Sci, Mohanpur, India |
推荐引用方式 GB/T 7714 | Pal, Sanchita,Dash, Soumyaranjan,Nandy, Dibyendu. Flux Erosion of Magnetic Clouds by Reconnection With the Sun's Open Flux[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(8). |
APA | Pal, Sanchita,Dash, Soumyaranjan,&Nandy, Dibyendu.(2020).Flux Erosion of Magnetic Clouds by Reconnection With the Sun's Open Flux.GEOPHYSICAL RESEARCH LETTERS,47(8). |
MLA | Pal, Sanchita,et al."Flux Erosion of Magnetic Clouds by Reconnection With the Sun's Open Flux".GEOPHYSICAL RESEARCH LETTERS 47.8(2020). |
条目包含的文件 | 条目无相关文件。 |
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