کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1767081 | 1020175 | 2009 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Dynamics of the convection in the inner magnetosphere by observations of the diffuse aurora, SAR arc and ionospheric drift
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
علوم فضا و نجوم
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The first results of the comparison of subauroral luminosity dynamics in 557,7 and 630,0 nm emission with simultaneous measurements of the ionospheric drift in the F2 region with a digisonde DPS-4 at the Yakutsk meridian (CGMC: 55-60N, 200°E) at Kp = 2-6 are presented. It is shown from the analysis of individual events that during the magnetospheric convection intensification after the turn of the IMF Bz - component to the south the equatorward extension of diffuse aurora takes place. At the same time the westward ionospheric drift velocity increases both in the diffuse aurora region and much equatorward of it due to the occurrence of the northward polarization electric field. We suppose that the generation of polarization field can be associated with the development of the region 2 FAC during the intensification of magnetospheric convection. The comparison of ground-based observations with measurements of the plasma drift aboard the DMSP-F15 satellite has been carried out.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Advances in Space Research - Volume 43, Issue 7, 1 April 2009, Pages 1130-1134
Journal: Advances in Space Research - Volume 43, Issue 7, 1 April 2009, Pages 1130-1134
نویسندگان
I.B. Ievenko, A.E. Stepanov, V.N. Alexeyev, V.F. Smirnov,