High-latitude ionosphere structure in dayside sector on ground-based and satellite measurements

被引：3
|
作者：
Shestakova, LV [1 ]
Stepanov, AE [1 ]
Khalipov, VL [1 ]
Mamrukov, AP [1 ]
Filippov, LD [1 ]
Zikrach, EK [1 ]
Afonin, VV [1 ]
机构：
[1] INST SPACE RES, MOSCOW 117810, RUSSIA
来源：
SUBAURORAL IONOSPHERE, PLASMASPHERE, RING CURRENT AND INNER MAGNETOSPHERE SYSTEM | 1997年 / 20卷 / 03期
关键词：
D O I：
10.1016/S0273-1177(97)00702-3
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
We report electron density measurements from satellite Cosmos-900 the presence of high-latitude dayside troughs. The trough minima near noon are localized at 70-74 degrees invariant latitude during indisturbed periods and at 60-70 degrees invariant latitude during disturbed periods. The localization and dynamics of equatorial boundary of dayside polar cusp by oblique sounding of F-region from ground-based stations and by simultaneous measurements of precipitating particles from satellite are revealed. A comparison of statistical data of dayside troughs and reflections from dayside cusp shows that a trough minimum near noon is localized by 3-4 degrees equatorward of the cusp. The obtained results are discussed. (C) 1997 COSPAR. Published by Elsevier Science Ltd.
引用
收藏
页码：415 / 418
页数：4
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