Rotation of the Earth's plasmasphere at different radial distances

Y. Huang; R. L. Xu; C. Shen; H. Zhao

doi:10.1016/j.asr.2011.05.028

Rotation of the Earth's plasmasphere at different radial distances

Y. Huang^*
, R. L. Xu
, C. Shen
, H. Zhao

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

We have studied the rotation of the plasmasphere using a large plasmaspheric notch observed by the Extreme Ultraviolet (EUV) instrument onboard the IMAGE spacecraft on 2001/173. The time scale is more than 20 h. On the magnetic equatorial plane the notch extends over more than 1.5 Re in radial distance. By analyzing the brightness for four annuluses at different average values of L from 2.0 to 3.25 over time, we determine the rotation rate of the plasmasphere at different radial distances. The analysis reveals that, with the increase of L, the rotation rate of the plasmasphere tends to strongly decrease on the dusk side and slightly increase on the dawn side.

Original language	English
Pages (from-to)	1167-1171
Number of pages	5
Journal	Advances in Space Research
Volume	48
Issue number	7
DOIs	https://doi.org/10.1016/j.asr.2011.05.028
State	Published - 1 Oct 2011
Externally published	Yes

Keywords

Notch
Plasmasphere
Rotation rate

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10.1016/j.asr.2011.05.028

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title = "Rotation of the Earth's plasmasphere at different radial distances",

abstract = "We have studied the rotation of the plasmasphere using a large plasmaspheric notch observed by the Extreme Ultraviolet (EUV) instrument onboard the IMAGE spacecraft on 2001/173. The time scale is more than 20 h. On the magnetic equatorial plane the notch extends over more than 1.5 Re in radial distance. By analyzing the brightness for four annuluses at different average values of L from 2.0 to 3.25 over time, we determine the rotation rate of the plasmasphere at different radial distances. The analysis reveals that, with the increase of L, the rotation rate of the plasmasphere tends to strongly decrease on the dusk side and slightly increase on the dawn side.",

keywords = "Notch, Plasmasphere, Rotation rate",

author = "Y. Huang and Xu, \{R. L.\} and C. Shen and H. Zhao",

year = "2011",

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doi = "10.1016/j.asr.2011.05.028",

language = "英语",

volume = "48",

pages = "1167--1171",

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TY - JOUR

T1 - Rotation of the Earth's plasmasphere at different radial distances

AU - Huang, Y.

AU - Xu, R. L.

AU - Shen, C.

AU - Zhao, H.

PY - 2011/10/1

Y1 - 2011/10/1

N2 - We have studied the rotation of the plasmasphere using a large plasmaspheric notch observed by the Extreme Ultraviolet (EUV) instrument onboard the IMAGE spacecraft on 2001/173. The time scale is more than 20 h. On the magnetic equatorial plane the notch extends over more than 1.5 Re in radial distance. By analyzing the brightness for four annuluses at different average values of L from 2.0 to 3.25 over time, we determine the rotation rate of the plasmasphere at different radial distances. The analysis reveals that, with the increase of L, the rotation rate of the plasmasphere tends to strongly decrease on the dusk side and slightly increase on the dawn side.

AB - We have studied the rotation of the plasmasphere using a large plasmaspheric notch observed by the Extreme Ultraviolet (EUV) instrument onboard the IMAGE spacecraft on 2001/173. The time scale is more than 20 h. On the magnetic equatorial plane the notch extends over more than 1.5 Re in radial distance. By analyzing the brightness for four annuluses at different average values of L from 2.0 to 3.25 over time, we determine the rotation rate of the plasmasphere at different radial distances. The analysis reveals that, with the increase of L, the rotation rate of the plasmasphere tends to strongly decrease on the dusk side and slightly increase on the dawn side.

KW - Notch

KW - Plasmasphere

KW - Rotation rate

UR - https://www.scopus.com/pages/publications/80051811197

U2 - 10.1016/j.asr.2011.05.028

DO - 10.1016/j.asr.2011.05.028

M3 - 文章

AN - SCOPUS:80051811197

SN - 0273-1177

VL - 48

SP - 1167

EP - 1171

JO - Advances in Space Research

JF - Advances in Space Research

IS - 7

ER -

Rotation of the Earth's plasmasphere at different radial distances

Abstract

Keywords

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