气候变化领域集成服务门户(CCPortal): Modulation of Pc1 Wave Ducting by Equatorial Plasma Bubble

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DOI	10.1029/2020GL088054
	Modulation of Pc1 Wave Ducting by Equatorial Plasma Bubble
	Kim H.; Shiokawa K.; Park J.; Miyoshi Y.; Hwang J.; Kadokura A.
发表日期	2020
ISSN	0094-8276
卷号	47 期号:9
英文摘要	Ducting Pc1 waves are observed over a wide latitudinal range by the low-Earth orbit satellites as compressional mode. In this paper, we present the first observation of the modulation of ducting Pc1 waves by equatorial plasma bubbles (EPBs) based on the Swarm satellites. We show two ducting Pc1 events propagating across EPBs that occurred on 7 April 2016 and on 27 September 2017. We found that the EPBs modulate the Pc1 wave propagation by setting up reflection boundaries and leakage holes in the ionospheric waveguide. We also found that changes of Pc1 wave intensities generally follow the electron density variation and that the intensity is stronger at higher density region. From the comparison between Swarm-A and Swarm-C observations, we conclude that ionospheric plasma plays an important role for Pc1 waveguide even though their density is significantly low in EPBs. ©2020. American Geophysical Union. All Rights Reserved.
英文关键词	Orbits; Wave propagation; Waveguides; Compressional mode; Density variations; Equatorial plasma bubble; Ionospheric plasmas; Latitudinal range; Low earth orbit satellites; Reflection boundaries; Wave intensities; Modulation; electron density; ionosphere; plasma; wave propagation
语种	英语
来源期刊	Geophysical Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/170374
作者单位	Institute for Space-Earth Environmental Research, Nagoya University, Nagoya, Japan; Korea Astronomy and Space Science Institute, Daejeon, South Korea; Korea University of Science and Technology, Daejeon, South Korea; Space and Upper Atmospheric Sciences, National Institute of Polar Research, Tokyo, Japan
推荐引用方式 GB/T 7714	Kim H.,Shiokawa K.,Park J.,et al. Modulation of Pc1 Wave Ducting by Equatorial Plasma Bubble[J],2020,47(9).
APA	Kim H.,Shiokawa K.,Park J.,Miyoshi Y.,Hwang J.,&Kadokura A..(2020).Modulation of Pc1 Wave Ducting by Equatorial Plasma Bubble.Geophysical Research Letters,47(9).
MLA	Kim H.,et al."Modulation of Pc1 Wave Ducting by Equatorial Plasma Bubble".Geophysical Research Letters 47.9(2020).