Ulf waves associated with the periodical high speed flows in magnetotail plasma sheet
文献类型：期刊论文
| 作者 | Wang Zhi-Qiang1,2; Cao Jin-Bin3 |
| 刊名 | Chinese journal of geophysics-chinese edition
 |
| 出版日期 | 2010-02-01 |
| 卷号 | 53期号:2页码:231-236 |
| 关键词 | Periodical high speed flow Ulf wave Pi1 Plasma sheet |
| ISSN号 | 0001-5733 |
| DOI | 10.3969/j.issn.0001-5733.2010.02.001 |
| 通讯作者 | Wang zhi-qiang(zqwang@spaceweather.ac.cn) |
| 英文摘要 | In this paper, using the data of cluster on 8 november 2004, we analyze the ulf wave associated with earthward periodical high speed flow in the plasma sheet. the results show that the ulf waves in the magnetic field and temperature appear, enhance and end at the same times with those of periodical high speed ion flow. particularly, the oscillation frequencies in ion flow velocity, magnetic field and ion temperature are all between 60 similar to 70 mhz, i.e. in the frequency range of pi1. these observations show that there is a close correlation among the ulf wave in the magnetic field, temperature and periodical high speed flow. the oscillations of the high speed flow is approximately out of phase with the ulf wave in the magnetic field, and in phase with the ulf wave in the temperature. the results of minimum variance analysis show that although the wave propagation direction includes earthward component, the main propagation direction is towards the centre of plasma sheet and perpendicular to both the high speed flow velocity and magnetic field. all these observations indicate that the periodical high speed flow can generate the ulf waves at the same frequency. |
| WOS关键词 | BURSTY BULK FLOWS ; STANDING ALFVEN WAVES ; DIPOLE MAGNETOSPHERE ; MOVING PLASMA ; ION FLOWS ; INSTABILITIES ; PULSATIONS ; CLUSTER ; WIND ; TAIL |
| WOS研究方向 | Geochemistry & Geophysics |
| WOS类目 | Geochemistry & Geophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:000275093200001 |
| 出版者 | SCIENCE PRESS |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2410556 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Wang Zhi-Qiang |
| 作者单位 | 1.Chinese Acad Sci, State Key Lab Space Weather, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China 3.Beijing Univ Aeronaut & Astronaut, Sch Astronaut, Beijing 100191, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang Zhi-Qiang,Cao Jin-Bin. Ulf waves associated with the periodical high speed flows in magnetotail plasma sheet[J]. Chinese journal of geophysics-chinese edition,2010,53(2):231-236. |
| APA | Wang Zhi-Qiang,&Cao Jin-Bin.(2010).Ulf waves associated with the periodical high speed flows in magnetotail plasma sheet.Chinese journal of geophysics-chinese edition,53(2),231-236. |
| MLA | Wang Zhi-Qiang,et al."Ulf waves associated with the periodical high speed flows in magnetotail plasma sheet".Chinese journal of geophysics-chinese edition 53.2(2010):231-236. |
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来源：中国科学院大学
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