Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020GL089344 |
Statistical Study of Chorus Modulations by Background Magnetic Field and Plasma Density | |
Zhiyang Xia; Lunjin Chen; Wen Li | |
2020-11-03 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2020 |
英文摘要 | In this study, we use observations of THEMIS and Van Allen Probes to statistically study the modulations of chorus emissions by variations of background magnetic field and plasma density in the ultra low frequency range. The modulation events are identified automatically and divided into three types according to whether the chorus intensity correlates to the variations of the magnetic field only (Type B), plasma density only (Type N), or both (Type NB). For the THEMIS observations, the occurrences of the Types B and N are larger than Type NB, while for the Van Allen Probes observations most events are of Type N. The chorus intensity is mostly correlated to the magnetic field strength negatively and plasma density positively. The chorus intensity tends to increase when the magnitude of the magnetic field perturbation increases, but little dependence on plasma density perturbation amplitude is found. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/301771 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Zhiyang Xia,Lunjin Chen,Wen Li. Statistical Study of Chorus Modulations by Background Magnetic Field and Plasma Density[J]. Geophysical Research Letters,2020. |
APA | Zhiyang Xia,Lunjin Chen,&Wen Li.(2020).Statistical Study of Chorus Modulations by Background Magnetic Field and Plasma Density.Geophysical Research Letters. |
MLA | Zhiyang Xia,et al."Statistical Study of Chorus Modulations by Background Magnetic Field and Plasma Density".Geophysical Research Letters (2020). |
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