A comparison of EISCAT and dynasonde measurements of the auroral ionosphere

被引：22
|
作者：
Sedgemore, KJF [1 ]
Williams, PJS [1 ]
Jones, GOL [1 ]
Wright, JW [1 ]
机构：
[1] BRITISH ANTARCTIC SURVEY,NERC,CAMBRIDGE CB3 0ET,ENGLAND
来源：
ANNALES GEOPHYSICAE-ATMOSPHERES HYDROSPHERES AND SPACE SCIENCES | 1996年 / 14卷 / 12期
关键词：
D O I：
10.1007/s005850050401
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Incoherent-scatter radar and ionospheric sounding are powerful and complementary techniques in the study of the Earth's ionosphere. The work presented here involves the use of the Tromso Dynasonde as a correlative diagnostic with the EISCAT incoherent-scatter radar. A comparison of electron-density profiles shows how a Dynasonde can be used to calibrate an incoherent-scatter radar and to monitor changes in the system. Sky-maps of the direction of Dynasonde echoes are compared with EISCAT-derived density profiles to illustrate how a Dynasonde can be used to measure the drift velocity of auroral features. Vector velocities fitted to Dynasonde echoes are compared with EISCAT-derived plasma velocities. The results show good agreement when the data are taken during quiet to moderately active conditions and averaged over time scales of 30 min or more.
引用
收藏
页码：1403 / 1412
页数：10
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