Low-frequency electrostatic waves in the ionospheric E region

被引：5
作者：
Krane, B. [1 ]
Pecseli, H. L. [2 ]
Sato, H. [2 ]
Trulsen, J. [3 ]
Wernik, A. W. [4 ]
机构：
[1] NDRE, N-2027 Kjeller, Norway
[2] Univ Oslo, Dept Phys, N-0316 Oslo, Norway
[3] Univ Oslo, Inst Theoret Astrophys, N-0315 Oslo, Norway
[4] Polish Acad Sci, Space Res Ctr, PL-00716 Warsaw, Poland
来源：
PLASMA SOURCES SCIENCE & TECHNOLOGY | 2010年 / 19卷 / 03期
关键词：
AURORAL E-REGION; PLASMA-WAVES; IRREGULARITIES; INSTABILITY; TURBULENCE; FLUCTUATIONS; PROPAGATION; FARLEY;
D O I：
10.1088/0963-0252/19/3/034007
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Low-frequency electrostatic waves in the ionospheric E region are studied by analyzing data obtained by instrumented rockets. We identify the origin of the enhanced fluctuation level to be the Farley-Buneman instability. The basic information on instability, such as altitude varying spectra and speed of propagation are obtained. Comparison of power spectra for the fluctuations in plasma density and electrostatic potential, respectively, provides information on the electron dynamics. A bispectral analysis gives indications of phase-coherent couplings within the wave spectrum, while higher order structure functions indicate some intermittent features of the turbulence.
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页数：8
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