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Statistical study of ULF waves in the magnetotail by THEMIS observations

文献类型：期刊论文

作者Zhang, Shuai1,2; Tian, Anmin1; Shi, Quanqi1; Li, Hanlin1; Degeling, Alexander W.1; Rae, I. Jonathan3; Forsyth, Colin3; Wang, Mengmeng1; Shen, Xiaochen1; Sun, Weijie4
刊名ANNALES GEOPHYSICAE
出版日期2018-10-08
卷号36期号:5页码:1335-1346
ISSN号0992-7689
DOI10.5194/angeo-36-1335-2018
英文摘要Ultra-low-frequency (ULF) waves are ubiquitous in the magnetosphere. Previous studies mostly focused on ULF waves in the dayside or near-Earth region (with radial distance R < 12 R-E). In this study, using the data of the Time History of Events and Macroscale Interactions during Substorms (THEMIS) mission during the period from 2008 to 2015, the Pc5-6 ULF waves in the tail region with X-GSM* <0, 8 R-E< R < 32 R-E (mostly on the stretched magnetic field lines) are studied statistically. A total of 1089 azimuthal oscillating events and 566 radial oscillating events were found. The statistical results show that both the azimuthal and radial oscillating events in the magnetotail region (12 R-E < R < 32 R-E) are more frequently observed in the post-midnight region. The frequency decreases with increasing radial distance from Earth for both azimuthal oscillating events (8 R-E < R < 16 R-E) and radial oscillating events (8 R-E < R < 14 R-E), which is consistent with the field line resonances theory. About 52% of events (including the azimuthal and radial oscillating events) are standing waves in the region of 8-16 R-E, while only 2% are standing waves in the region of 16-32 R-E. There is no obvious dawn-dusk asymmetry of ULF wave frequency for events in 8 R-E
WOS关键词KELVIN-HELMHOLTZ INSTABILITY ; FIELD-LINE RESONANCES ; ALFVEN WAVES ; EARTHS MAGNETOSPHERE ; PI2 PULSATIONS ; SUBSTORM ONSET ; MODEL ; OSCILLATIONS ; EXCITATION ; PARTICLES
资助项目Shandong University (Weihai) Future Plan for Young Scholars[2017WHWLJH08] ; National Natural Science Foundation of China[41304129] ; National Natural Science Foundation of China[41774153] ; National Natural Science Foundation of China[41574157] ; National Natural Science Foundation of China[41628402] ; Science and Technology Facilities Council[ST/N000722/1] ; Natural Environment Research Council[NE/L007495/1] ; Natural Environment Research Council[NE/P017150/1] ; Natural Environment Research Council[NE/P017185/1] ; Research Fund for State Key Laboratories
WOS研究方向Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
语种英语
WOS记录号WOS:000446652200001
出版者COPERNICUS GESELLSCHAFT MBH
资助机构Shandong University (Weihai) Future Plan for Young Scholars ; Shandong University (Weihai) Future Plan for Young Scholars ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Facilities Council ; Science and Technology Facilities Council ; Natural Environment Research Council ; Natural Environment Research Council ; Research Fund for State Key Laboratories ; Research Fund for State Key Laboratories ; Shandong University (Weihai) Future Plan for Young Scholars ; Shandong University (Weihai) Future Plan for Young Scholars ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Facilities Council ; Science and Technology Facilities Council ; Natural Environment Research Council ; Natural Environment Research Council ; Research Fund for State Key Laboratories ; Research Fund for State Key Laboratories ; Shandong University (Weihai) Future Plan for Young Scholars ; Shandong University (Weihai) Future Plan for Young Scholars ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Facilities Council ; Science and Technology Facilities Council ; Natural Environment Research Council ; Natural Environment Research Council ; Research Fund for State Key Laboratories ; Research Fund for State Key Laboratories ; Shandong University (Weihai) Future Plan for Young Scholars ; Shandong University (Weihai) Future Plan for Young Scholars ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Facilities Council ; Science and Technology Facilities Council ; Natural Environment Research Council ; Natural Environment Research Council ; Research Fund for State Key Laboratories ; Research Fund for State Key Laboratories
源URL[http://ir.iggcas.ac.cn/handle/132A11/89176]  
专题地质与地球物理研究所_其他部门
通讯作者Tian, Anmin
作者单位1.Shandong Univ, Sch Space Sci & Phys, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai 264209, Peoples R China
2.Chinese Acad Sci, State Key Lab Space Weather, Beijing 100190, Peoples R China
3.Univ Coll London, Space & Climate Phys, Mullard Space Sci Lab, Dorking, Surrey, England
4.Univ Michigan, Dept Climate & Space Sci & Engn, Ann Arbor, MI 48109 USA
5.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
6.Peking Univ, Sch Earth & Space Sci, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Shuai,Tian, Anmin,Shi, Quanqi,et al. Statistical study of ULF waves in the magnetotail by THEMIS observations[J]. ANNALES GEOPHYSICAE,2018,36(5):1335-1346.
APA Zhang, Shuai.,Tian, Anmin.,Shi, Quanqi.,Li, Hanlin.,Degeling, Alexander W..,...&Pu, Zuyin.(2018).Statistical study of ULF waves in the magnetotail by THEMIS observations.ANNALES GEOPHYSICAE,36(5),1335-1346.
MLA Zhang, Shuai,et al."Statistical study of ULF waves in the magnetotail by THEMIS observations".ANNALES GEOPHYSICAE 36.5(2018):1335-1346.

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来源：地质与地球物理研究所

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