Localized Packets of Acoustic Gravity Waves in the Ionosphere

被引：5
|
作者：
Skorokhod, T. V. [1 ]
Lizunov, G. V.
机构：
[1] Natl Acad Sci, Space Res Inst, UA-03187 Kiev, Ukraine
来源：
GEOMAGNETISM AND AERONOMY | 2012年 / 52卷 / 01期
关键词：
Geographical Latitude; Causal Diagram; Acoustic Gravity Wave; Horizontal Wavelength; Ionospheric Height;
D O I：
10.1134/S0016793212010148
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Using mass-spectrometric measurement data from the Dynamics Explorer 2 satellite, we investigated the distribution of medium-scale acoustic gravity waves (AGWs) at altitudes of the F-region of the ionosphere. It is shown that the planetary field of AGWs contains a regular and a sporadic component. The regular distribution of AGWs involves active polar areas (where the ionosphere is highly disturbed) and a relatively calm equatorial area. Sporadic AGWs are isolated and spatially localized wave packets that are distinguished against the background of the regular distribution of the wave field. We generated a directory containing observations of sporadic AGW for the period January-February 1983 and performed a statistical analysis of their relation to earthquakes.
引用
收藏
页码：88 / 93
页数：6
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