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Characteristics of quasi-monochromatic ULF waves in the Venusian foreshock

文献类型：期刊论文

作者Shan, Lican1,2,3,4; Mazelle, Christian4,5; Meziane, Karim6; Delva, Magda7; Lu, Quanming1,4; Ge, Yasong S.2; Du, Aimin2; Zhang, Tielong1,7
刊名JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
出版日期2016-08-01
卷号121期号:8页码:7385-7397
DOI10.1002/2016JA022876
文献子类Article
英文摘要The statistical properties of ULF waves observed upstream of Venus foreshock are investigated. The study is restricted to waves which are observed well below the local proton cyclotron frequency. Using the magnetic field observations from Venus Express between May 2006 and February 2012, 115 quasi-monochromatic ULF wave trains have been identified. Statistical results show that the wave periods are mainly from 20 to 30 s in the spacecraft frame, which is about 2-3 times of the local proton cyclotron period. The transverse power dominates the power spectrum, and most of the waves display nearly circular or slightly elliptical polarization in the spacecraft frame. Moreover, these ULF waves mainly have small relative amplitudes with respect to the ambient field magnitude B-0 for parallel component (delta B-parallel to/B-0 less than 0.3), while the range of relative amplitudes for perpendicular component delta B-perpendicular to/B-0 is from similar to 0.1 to similar to 1.0. Wave propagation angles are mainly less than 30 degrees with respect to the mean magnetic field direction. The obtained results are very similar to the wave properties seen for ULF waves present in the terrestrial foreshock, which suggests that backstreaming ions in the Venusian foreshock form an important energy source for the generation of the waves.
WOS关键词EARTHS BOW SHOCK ; FREQUENCY UPSTREAM WAVES ; FIELD-ALIGNED BEAMS ; PARTICLE INTERACTION UPSTREAM ; 4-SPACECRAFT CLUSTER MISSION ; DIFFUSE IONS ; SOLAR-WIND ; GYRATING IONS ; TERRESTRIAL FORESHOCK ; ISEE-2 OBSERVATIONS
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000385811500004
资助机构National Science Foundation of China(41504134 ; National Science Foundation of China(41504134 ; National Science Foundation of China(41504134 ; National Science Foundation of China(41504134 ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; CAS Key Laboratory of Geospace Environment, University of Science and Technology of China ; CAS Key Laboratory of Geospace Environment, University of Science and Technology of China ; CAS Key Laboratory of Geospace Environment, University of Science and Technology of China ; CAS Key Laboratory of Geospace Environment, University of Science and Technology of China ; 973 Program(2013CBA01503 ; 973 Program(2013CBA01503 ; 973 Program(2013CBA01503 ; 973 Program(2013CBA01503 ; National Basic Research Program of China(2014CB845903) ; National Basic Research Program of China(2014CB845903) ; National Basic Research Program of China(2014CB845903) ; National Basic Research Program of China(2014CB845903) ; National Natural Science Foundation of China(41174122 ; National Natural Science Foundation of China(41174122 ; National Natural Science Foundation of China(41174122 ; National Natural Science Foundation of China(41174122 ; 41331067 ; 41331067 ; 41331067 ; 41331067 ; 2012CB825602) ; 2012CB825602) ; 2012CB825602) ; 2012CB825602) ; 41474144) ; 41474144) ; 41474144) ; 41474144) ; 41274144 ; 41274144 ; 41274144 ; 41274144 ; 41174124 ; 41174124 ; 41174124 ; 41174124 ; 41121003) ; 41121003) ; 41121003) ; 41121003) ; National Science Foundation of China(41504134 ; National Science Foundation of China(41504134 ; National Science Foundation of China(41504134 ; National Science Foundation of China(41504134 ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; CAS Key Laboratory of Geospace Environment, University of Science and Technology of China ; CAS Key Laboratory of Geospace Environment, University of Science and Technology of China ; CAS Key Laboratory of Geospace Environment, University of Science and Technology of China ; CAS Key Laboratory of Geospace Environment, University of Science and Technology of China ; 973 Program(2013CBA01503 ; 973 Program(2013CBA01503 ; 973 Program(2013CBA01503 ; 973 Program(2013CBA01503 ; National Basic Research Program of China(2014CB845903) ; National Basic Research Program of China(2014CB845903) ; National Basic Research Program of China(2014CB845903) ; National Basic Research Program of China(2014CB845903) ; National Natural Science Foundation of China(41174122 ; National Natural Science Foundation of China(41174122 ; National Natural Science Foundation of China(41174122 ; National Natural Science Foundation of China(41174122 ; 41331067 ; 41331067 ; 41331067 ; 41331067 ; 2012CB825602) ; 2012CB825602) ; 2012CB825602) ; 2012CB825602) ; 41474144) ; 41474144) ; 41474144) ; 41474144) ; 41274144 ; 41274144 ; 41274144 ; 41274144 ; 41174124 ; 41174124 ; 41174124 ; 41174124 ; 41121003) ; 41121003) ; 41121003) ; 41121003)
源URL[http://ir.iggcas.ac.cn/handle/132A11/53292]  
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
作者单位1.Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geosci Environm, Hefei, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
3.Collaborat Innovat Ctr Astronaut Sci & Technol, Hefei, Peoples R China
4.CNRS, IRAP, Toulouse, France
5.Univ Toulouse 3, IRAP, Toulouse, France
6.Univ New Brunswick, Dept Phys, Fredericton, NB, Canada
7.Austrian Acad Sci, Space Res Inst, Graz, Austria
推荐引用方式
GB/T 7714		 Shan, Lican,Mazelle, Christian,Meziane, Karim,et al. Characteristics of quasi-monochromatic ULF waves in the Venusian foreshock[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2016,121(8):7385-7397.
APA Shan, Lican.,Mazelle, Christian.,Meziane, Karim.,Delva, Magda.,Lu, Quanming.,...&Zhang, Tielong.(2016).Characteristics of quasi-monochromatic ULF waves in the Venusian foreshock.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,121(8),7385-7397.
MLA Shan, Lican,et al."Characteristics of quasi-monochromatic ULF waves in the Venusian foreshock".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 121.8(2016):7385-7397.

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来源：地质与地球物理研究所

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