کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1765358 | 1020097 | 2012 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Early morning enhancement in ionospheric electron density during intense magnetic storms
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
علوم فضا و نجوم
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چکیده انگلیسی
This study reports on ionospheric disturbances that occurred in the early morning hours in the South American-Atlantic sector during a few intense/super storm events. The events were observed at latitudes close to the southern crest of the equatorial ionization anomaly (EIA) as an unusual intensification of the F region electron density peak at local times when the EIA is not usually developed. All the events were observed at pre dawn-morning hours, under conditions of northward interplanetary geomagnetic field. Large scale traveling ionospheric disturbances that are launched during highly disturbed conditions and/or equatorward surges in the thermospheric meridional winds seem to be the most probable causes of the observed disturbances.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Advances in Space Research - Volume 49, Issue 11, 1 June 2012, Pages 1544-1552
Journal: Advances in Space Research - Volume 49, Issue 11, 1 June 2012, Pages 1544-1552
نویسندگان
I.S. Batista, M.A. Abdu, Paulo A.B. Nogueira, R.R. Paes, J.R. de Souza, B.W. Reinisch, V.H. Rios,