Pearl diffuse structures on ionograms of Intercosmos-19 associated with irregularities of the low-latitude ionosphere

被引：0

作者：

Karlachev, A. T. ^{[1
]}

Zhbankov, G. A. ^{[2
]}

Telegin, V. A. ^{[1
]}

机构：

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

[2] Southern Fed Univ, Inst Phys, Rostov Na Donu, Russia

来源：

GEOMAGNETISM AND AERONOMY | 2014年 / 54卷 / 01期

关键词：

Main Path; Iono Sphere; Equatorial Anomaly; Outer Slope; Equatorial Ionosphere;

D O I：

10.1134/S0016793214010046

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：

Unusual complex ionograms obtained by the Intercosmos-19 satellite are considered, in which four diffuse clouds with a characteristic shape are strung like pearls on the main path of the reflected signal. Ray tracing has been used to show that they are associated with 26 layers of irregularities located at altitudes from hmFs2 up to similar to 900 km. The sizes of the irregularities range from a few kilometers to 100 kilometers, and the intensity of delta Ne reaches 100%. The heights of irregular layers increase towards the equator, together with a rise of the F2 layer, and are not associated with magnetic field lines. Complex ionograms have been observed on the outer slope and at the top of the crest of the equatorial anomaly. They are probably caused by the processes occurring in the equatorial ionosphere.

引用

页码：59 / 64

页数：6

共 10 条

[1] Pearl diffuse structures on ionograms of Intercosmos-19 associated with irregularities of the low-latitude ionosphere
A. T. Karlachev
G. A. Zhbankov
V. A. Telegin
Geomagnetism and Aeronomy, 2014, 54 : 59 - 64
[2] Review of the generation mechanisms of post-midnight irregularities in the equatorial and low-latitude ionosphere
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[3] Review of the generation mechanisms of post-midnight irregularities in the equatorial and low-latitude ionosphere
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[4] Efficient algorithms of the numerical simulation of medium-scale irregularities in a low-latitude ionosphere
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[8] Vertical E X B drift velocity variations and associated low-latitude ionospheric irregularities investigated with the TOPEX and GPS satellite data
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ANNALES GEOPHYSICAE, 2003, 21 (04) : 1017 - 1030
[9] Comparison of the measured and modeled electron densities, and electron and ion temperatures in the low-latitude ionosphere during 19-21 March 1988
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ANNALES GEOPHYSICAE, 2004, 22 (08) : 2747 - 2763
[10] Plasma drifts and polarization electric fields associated with TID-like disturbances in the low-latitude ionosphere: C/NOFS observations
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