Simultaneous optical and radar signatures of poleward-moving auroral forms
نویسندگان
چکیده
منابع مشابه
Superthermal Ion Signatures of Auroral Acceleration Processes
The retarding ion mass spectrometer on the Dynamics Explorer 1 spacecraft has generated a unique data set which documents, among other things, the occurrence of non-Maxwellian superthermal features in the auroral topside ionosphere distribution functions. In this paper, we provide a representative sampling of the observed features and their spatial morphology as observed at altitudes in the ran...
متن کاملThe Meridional Thermospheric Neutral Wind Measured by Radar and Optical Techniques in the Auroral Region
متن کامل
Magnetic local time variation and scaling of poleward auroral boundary dynamics
The balance of dayside and nightside reconnection processes within the Earth’s magnetosphere and its effect on the amount of open magnetic flux threading the ionosphere is well understood in terms of the expanding-contracting polar cap model. However, the nature and character of the consequential fluctuations in the polar cap boundary are poorly understood. By using the poleward auroral luminos...
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ژورنال
عنوان ژورنال: Annales Geophysicae
سال: 2000
ISSN: 0992-7689
DOI: 10.1007/s005850000251