Ionospheric observations of F region artificial plasma turbulence, modified by powerful X-mode radio waves

被引:11
|
作者
Frolov, VL [1 ]
Kagan, LM
Sergeev, EN
Komrakov, GP
Bernhardt, PA
Goldstein, JA
Wagner, LS
Selcher, CA
Stubbe, P
机构
[1] Radiophys Res Inst, Nizhnii Novgorod 603600, Russia
[2] W Virginia Univ, Plasma Phys Lab, Morgantown, WV 26506 USA
[3] USN, Res Lab, Washington, DC 20375 USA
[4] Max Planck Inst Aeron, D-37191 Katlenburg Lindau, Germany
关键词
D O I
10.1029/1998JA900182
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We study the influence of additional X-mode heating of the ionospheric plasma on the features of artificial ionospheric turbulence, induced in the ionospheric F region by O-mode waves over the "Sura" heating facility (Nizhny Novgorod, Russia). The X heating is shown to suppress the generation of HF plasma turbulence resulting from the development of both the parametric decay and thermal parametric instabilities. Typical times of variations in the turbulence intensity change from less than or equal to 0.1 s to similar to 10 s, strongly depending on the heating scheme. Aftereffects of the X heating last up to 30-60 s. We distinguish at least three types of phenomena, according to the observed typical times of the processes, and discuss possible reasons for each of them.
引用
收藏
页码:12695 / 12704
页数:10
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