Transport of plasma sheet material to the inner magnetosphere

被引：14

作者：

Denton, M. H.

Thomsen, M. F.

Lavraud, B.

Henderson, M. G.

Skoug, R. M.

Funsten, H. O.

Jahn, J. -M.

Pollock, C. J.

Weygand, J. M.

机构：

[1] SW Res Inst, San Antonio, TX 78238 USA

[2] Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA 90095 USA

[3] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2007年 / 34卷 / 04期

关键词：

D O I：

10.1029/2006GL027886

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The reaction of the plasma sheet in response to an increase in magnetospheric convection is examined using a combination of energetic neutral atom (ENA) imaging and in situ observations. Data from the IMAGE/MENA instrument are examined in conjunction with observations from the magnetospheric plasma analyzer (MPA) instrument onboard the Los Alamos 1994-084 satellite located in geosynchronous orbit. Examination of the MENA data during an enhanced convection event reveal that between 12: 00 and 14: 30 UT on 26 June 2001, ENA emissions from the plasma sheet material are observed to strengthen and move Earthwards. A simple calculation of the motion of the peak in ENA emissions following an increase in the convection gives an averaged speed of this sunward surge of around 8 km s(-1) between 12: 00 and 14: 30 UT.

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页数：5

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