The effect of total solar eclipse of October 3, 2005, on the total electron content over Europe |
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Authors: | A Krankowski II Shagimuratov LW Baran GA Yakimova |
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Institution: | 1. Institute of Geodesy, University of Warmia and Mazury in Olsztyn, Oczapowski St. 1, 10-957 Olsztyn, Poland;2. WD IZMIRAN, Prospekt Pabedy 41, 236017 Kaliningrad, Russia |
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Abstract: | GPS observations from EUREF permanent GPS network were used to observe the response of TEC (Total Electron Content) to the total solar eclipse on October 3, 2005, under quiet geomagnetic conditions of the daytime ionosphere. The effect of the eclipse was detected in diurnal variations and more distinctly in the variations of TEC along individual satellite passes. The trough-like variations with a gradual decrease and followed by an increase of TEC at the time of the eclipse were observed over a large region. The depression of TEC amounted to 3–4 TECU. The maximum depression was observed over all stations located at the maximum path of the solar eclipse. The delay of a minimum level of TEC with respect to the maximum phase of the eclipse was about 20–30 min. |
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Keywords: | Ionosphere Total electron content Total solar eclipse Ionospheric perturbations |
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