Increasing exposure of geosynchronous orbit in solar wind due to decay of Earth's dipole field
文献类型：期刊论文
| 作者 | Zhong, J.1; Wan, W. X.1; Wei, Y.1; Fu, S. Y.2; Jiao, W. X.2; Rong, Z. J.1; Chai, L. H.1; Han, X. H.1 |
| 刊名 | JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
 |
| 出版日期 | 2014-12-01 |
| 卷号 | 119期号:12 |
| ISSN号 | 2169-9380 |
| DOI | 10.1002/2014JA020549 |
| 文献子类 | Article |
| 英文摘要 | The Earth's dipole moment has been decaying over the past 1.5 centuries. The magnetosphere thus has been shrinking and the chance of geosynchronous magnetopause crossings has been increasing. We quantitatively evaluate the increasing exposure of geosynchronous orbit in the solar wind caused by the decay of dipole moment and the variation of solar wind condition and study the possible situation if such decay persists for several more centuries. The results show that the average subsolar magnetopause distance would move earthward by similar to 0.3 R-E per century, assuming the linear decreasing of the Earth's dipole moment at present rate. The minimum solar wind dynamic pressure required for geosynchronous magnetopause crossings will decrease by similar to 4 nPa (2 nPa) in the next 100 years under northward (southward) interplanetary magnetic field. Under normal solar wind conditions, the noon region of the geosynchronous orbit will be exposed to the solar wind in the next few centuries. These results suggest that the secular variations of geomagnetic field are of paramount importance for our understanding of space climate. |
| WOS关键词 | MAGNETIC-FIELD ; MAGNETOPAUSE CROSSINGS ; DAYSIDE MAGNETOPAUSE ; BOW SHOCK ; PRESSURE ; SHAPE ; LOCATION ; SIZE ; MOTION ; MODELS |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| 出版者 | AMER GEOPHYSICAL UNION |
| WOS记录号 | WOS:000349161100035 |
| 资助机构 | National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Natural Science Foundation of China(41321003 ; National Natural Science Foundation of China(41321003 ; National Natural Science Foundation of China(41321003 ; National Natural Science Foundation of China(41321003 ; 41474155 ; 41474155 ; 41474155 ; 41474155 ; 41404137 ; 41404137 ; 41404137 ; 41404137 ; 41404138) ; 41404138) ; 41404138) ; 41404138) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Natural Science Foundation of China(41321003 ; National Natural Science Foundation of China(41321003 ; National Natural Science Foundation of China(41321003 ; National Natural Science Foundation of China(41321003 ; 41474155 ; 41474155 ; 41474155 ; 41474155 ; 41404137 ; 41404137 ; 41404137 ; 41404137 ; 41404138) ; 41404138) ; 41404138) ; 41404138) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Natural Science Foundation of China(41321003 ; National Natural Science Foundation of China(41321003 ; National Natural Science Foundation of China(41321003 ; National Natural Science Foundation of China(41321003 ; 41474155 ; 41474155 ; 41474155 ; 41474155 ; 41404137 ; 41404137 ; 41404137 ; 41404137 ; 41404138) ; 41404138) ; 41404138) ; 41404138) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Natural Science Foundation of China(41321003 ; National Natural Science Foundation of China(41321003 ; National Natural Science Foundation of China(41321003 ; National Natural Science Foundation of China(41321003 ; 41474155 ; 41474155 ; 41474155 ; 41474155 ; 41404137 ; 41404137 ; 41404137 ; 41404137 ; 41404138) ; 41404138) ; 41404138) ; 41404138) |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/85581]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Zhong, J. |
| 作者单位 | 1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China 2.Peking Univ, Sch Earth & Space Sci, Beijing 100871, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhong, J.,Wan, W. X.,Wei, Y.,et al. Increasing exposure of geosynchronous orbit in solar wind due to decay of Earth's dipole field[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2014,119(12). |
| APA | Zhong, J..,Wan, W. X..,Wei, Y..,Fu, S. Y..,Jiao, W. X..,...&Han, X. H..(2014).Increasing exposure of geosynchronous orbit in solar wind due to decay of Earth's dipole field.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,119(12). |
| MLA | Zhong, J.,et al."Increasing exposure of geosynchronous orbit in solar wind due to decay of Earth's dipole field".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 119.12(2014). |
入库方式： OAI收割
来源：地质与地球物理研究所
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