The effect of wind on the gravity wave propagation in the Earth's ionosphere

被引：5

作者：

Sorokin, V. M. ^{[1
]}

Pokhotelov, O. A. ^{[2
]}

机构：

[1] Russian Acad Sci, IZMIRAN, Inst Terr Magnetism Ionosphere & Radiowave Propag, Troitsk 142190, Moscow Region, Russia

[2] Russian Acad Sci, Inst Phys Earth, Moscow 123995, Russia

来源：

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS | 2010年 / 72卷 / 2-3期

关键词：

Ionosphere wind; Gravity waves; Ampere's force; Seismic activity; Enhancement of the gravity waves; Gravity wave spectrum; PLASMA INHOMOGENEITIES; ATMOSPHERE; MODEL;

D O I：

10.1016/j.jastp.2009.11.012

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：

The effect of ionospheric wind on the gravity wave propagation is studied. These waves arise in the ionosphere due to intensification of their sources near the Earth's surface during enhanced seismic activity. The influence of the wind on these waves is connected with the Ampere's force that produces the ion-drag force acting on the atmosphere. This results in the occurrence of the discrete wave spectrum the maximum of which increases in proportion to the numbers of the natural scale. Furthermore, these waves are amplified during propagation from the source region in the direction perpendicular to the wind direction. These peculiarities of the gravity waves can be used for monitoring of seismic activity based on the ionosphere sounding. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：213 / 218

页数：6

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