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  2. 地质与地球物理研究所
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  4. 中国科学院地球与行星物理重点实验室
Coupling of semiannual and annual variations in the SuperMAG SML and SMU indices

文献类型：期刊论文

作者Du, A. M.1,2; Wang, K. T.1,2; Luo, H.1,2; Tsurutani, B. T.3; Gjerloev, Jesper4; Sun, Wei5; Wang, Y.1; Ou, Jiaming1; Ge, Yasong1,2
刊名PLANETARY AND SPACE SCIENCE
出版日期2018-09-01
卷号158页码:87-95
ISSN号0032-0633
DOI10.1016/j.pss.2018.05.001
文献子类Article
英文摘要It is found that the coupling between the solar wind and polar geomagnetic activity cause the annual and semiannual variation of auroral electrojet. The wavelet spectrum of the SuperMAG index, SML and SMU shows that both of the semiannual and annual variations are permanent features, and spectral power of the annual period of SML and SMU are stronger than that of the semiannual period. Due to coupling of the annual variation and the semiannual variation of SML, the diurnal variation of SML in summer months is not well correlated with results anticipated from the previous principle hypotheses [McIntosh, 1959; Russell and McPherron, 1973; Svalgaard, 1977; Cliver et al., 2000; Newell et al., 2013]. The annual/semiannual variation of SML and SMU is typically coupled together and is dependent on the local time and latitudinal variations of ionospheric conductivity and the electric field. A new index, the annual-corrected SMO index (SMO*), was suggested to indicate the semiannual variation of the westward auroral electrojet (SML). The seasonal-UT distribution of SMO* has good correlation with that predicted by the equinoctial hypothesis [McIntosh, 1959; Svalgaard, 2011].
WOS关键词SOLAR-WIND SPEED ; GEOMAGNETIC-ACTIVITY ; MAGNETOSPHERE ; PERIODICITIES ; DISTRIBUTIONS ; FIELD ; AE
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000440266000011
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构National Natural Science of China(41574162 ; National Natural Science of China(41574162 ; NASA ; NASA ; 41674168 ; 41674168 ; 41474144 ; 41474144 ; 41774176) ; 41774176) ; National Natural Science of China(41574162 ; National Natural Science of China(41574162 ; NASA ; NASA ; 41674168 ; 41674168 ; 41474144 ; 41474144 ; 41774176) ; 41774176) ; National Natural Science of China(41574162 ; National Natural Science of China(41574162 ; NASA ; NASA ; 41674168 ; 41674168 ; 41474144 ; 41474144 ; 41774176) ; 41774176) ; National Natural Science of China(41574162 ; National Natural Science of China(41574162 ; NASA ; NASA ; 41674168 ; 41674168 ; 41474144 ; 41474144 ; 41774176) ; 41774176)
源URL[http://ir.iggcas.ac.cn/handle/132A11/88166]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者Luo, H.
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth Sci, Beijing, Peoples R China
3.CALTECH, Jet Prop Lab, Pasadena, CA USA
4.Johns Hopkins Univ, Appl Phys Lab, Laurel, MD USA
5.Univ Alaska Fairbanks, Inst Geophys, Fairbanks, AK 99775 USA
推荐引用方式
GB/T 7714		 Du, A. M.,Wang, K. T.,Luo, H.,et al. Coupling of semiannual and annual variations in the SuperMAG SML and SMU indices[J]. PLANETARY AND SPACE SCIENCE,2018,158:87-95.
APA Du, A. M..,Wang, K. T..,Luo, H..,Tsurutani, B. T..,Gjerloev, Jesper.,...&Ge, Yasong.(2018).Coupling of semiannual and annual variations in the SuperMAG SML and SMU indices.PLANETARY AND SPACE SCIENCE,158,87-95.
MLA Du, A. M.,et al."Coupling of semiannual and annual variations in the SuperMAG SML and SMU indices".PLANETARY AND SPACE SCIENCE 158(2018):87-95.

入库方式： OAI收割

来源：地质与地球物理研究所

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