GSTDTAP  > 气候变化
DOI10.1029/2021GL092902
A comparative study on the distributions of incoherent and coherent plasmaspheric hiss
Zhaoguo He; Jiang Yu; Kun Li; Nigang Liu; Zewen Chen; Jun Cui
2021-03-22
发表期刊Geophysical Research Letters
出版年2021
英文摘要

We perform a comparative study on the distributions of incoherent and coherent plasmaspheric hiss, based on the Van Allen Probe data. The statistics show that incoherent hiss ( ∼10–20 pT) is widely distributed in dayside plasmasphere, with peak frequencies below 500 Hz; intense coherent hiss (amplitudes up to 80 pT) occurs in outer plasmasphere of L > 4 (L denotes the L‐shell.), whose frequency increases with ambient magnetic field significantly. The Poynting flux analysis indicates that incoherent hiss generally propagates omni‐directionally inside the plasmasphere, with features of external sources; the coherent hiss propagates away from the equatorial region in outer plasmasphere and has a reversed direction in inner plasmasphere, indicating two different wave sources by local generation and ducted lightning generated whistler (LGW) respectively. This comparative study helps us to better understand the origination of plasmaspheric hiss.

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领域气候变化
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/321038
专题气候变化
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GB/T 7714
Zhaoguo He,Jiang Yu,Kun Li,et al. A comparative study on the distributions of incoherent and coherent plasmaspheric hiss[J]. Geophysical Research Letters,2021.
APA Zhaoguo He,Jiang Yu,Kun Li,Nigang Liu,Zewen Chen,&Jun Cui.(2021).A comparative study on the distributions of incoherent and coherent plasmaspheric hiss.Geophysical Research Letters.
MLA Zhaoguo He,et al."A comparative study on the distributions of incoherent and coherent plasmaspheric hiss".Geophysical Research Letters (2021).
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