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无线电物理和天文学期刊

ISSN 打印: 2152-274X
ISSN 在线: 2152-2758

Archives: Volume 1, 2010 to Volume 3, 2012

无线电物理和天文学期刊

DOI: 10.1615/RadioPhysicsRadioAstronomy.v1.i2.70
pages 137-147

INVESTIGATION OF TOTAL ELECTRON CONTENT VARIATIONS IN THE IONOSPHERE ABOVE THE ANTARCTIC PENINSULA

V. N. Lisachenko
Institute of Radio Astronomy, National Academy of Sciences of Ukraine, 4, Chervonopraporna St., Kharkiv, 61002, Ukraine
Y. M. Zanimonskiy
Institute of Radio Astronomy, National Academy of Sciences of Ukraine, 4, Chervonopraporna St., Kharkiv, 61002, Ukraine
Yu. M. Yampolski
Institute of Radio Astronomy, National Academy of Sciences of Ukraine
P. Wielgosz
University of Warmia and Mazury in Olsztyn, 2, Oczapowski St., 10-719 Olsztyn, Poland

ABSTRACT

Basic principles and first results of verification of a technique for identifying Traveling Ionospheric Disturbances (TIDs) are described using Total Electron Content (TEC) measurements above the Antarctic Peninsula. The TEC data have been retrieved from records of the Global Navigation Satellite System (GNSS) signals which are continuously monitored at the Ukrainian Antarctic Base "Akademik Vernadsky" (since April 2005) and at three nearest permanent GNSS stations. Simultaneous records of F-layer critical frequency variations measured by a vertical ionospheric sounder at "Vernadsky" are analyzed to verify the hypothesis of detecting wavelike ionospheric disturbances. It is concluded that wave patterns in the ionosphere can be stimulated by passages of powerful warm weather fronts near the Earth’s surface, severe near-surface winds and geomagnetic activity.


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