Analysis of acoustic-gravity waves in the mesosphere using VLF radio signal measurements

被引：3
|
作者：
Fedorenko, A. K. [1 ,2 ]
Kryuchkov, E. I. [1 ,2 ]
Cheremnykh, O. K. [1 ,2 ]
Voitsekhovska, A. D. [1 ,2 ]
Rapoport, Yu. G. [3 ]
Klymenko, Yu. O. [1 ,2 ]
机构：
[1] Natl Acad Sci Ukraine, Space Res Inst, Prosp Akad Glushkova 40,Build 4-1, UA-03187 Kiev, Ukraine
[2] State Space Agcy Ukraine, Prosp Akad Glushkova 40,Build 4-1, UA-03187 Kiev, Ukraine
[3] Taras Shevchenko Natl Univ Kyiv, 64-13 Volodymyrska St, UA-01601 Kiev, Ukraine
来源：
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS | 2021年 / 219卷
基金：
新加坡国家研究基金会;
关键词：
Acoustic-gravity wave; Ionospheric disturbance; VLF radio wave;
D O I：
10.1016/j.jastp.2021.105649
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：
A simple method has been proposed to determine acoustic-gravity wave (AGW) characteristics at lower ionosphere (mesosphere) heights by measuring VLF radio signal amplitudes. For relatively short radio paths (less than 1500 km long) we obtained the simple relations for estimation of AGW neutral density fluctuation and for vertical displacement of an elementary volume of atmospheric gas. The proposed method has been verified by using VLF radio wave amplitude measurements on several radio paths. AGW properties based on these measurements are approximately calculated at heights of radio signal reflection. The relative fluctuation of 3%-6% of neutral particle concentration and elementary volume displacement of 0.6-1.2 km have been obtained. These results are in good agreement with AGW theory in the Earth atmosphere.
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收藏
页数：7
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