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Effects of typhoon Matsa on ionospheric TEC

Chinese Science Bulletin

Abstract

The effects of typhoon Matsa on the ionosphere are studied by using GPS-TEC data observed at about 50 GPS stations. It is shown that the ionosphere has already influenced and TEC tends to increase before the landing of Matsa, and the difference of TEC from its monthly median over the typhoon area is about 5 TECU. With the landing of Matsa, both the magnitude and the area of increased TEC decrease. One day after the landing of Matsa, TEC reaches its minimum and is lower than the monthly median. In comparison of TEC along the typhoon’s path with that along three reference paths far from the typhoon, it is found that typhoon’s impact on TEC can be fully distinguished. The evolution of TEC variation has the same tendency as reported typhoon-induced foF2.

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Correspondence to GuangLin Yang.

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Mao, T., Wang, J., Yang, G. et al. Effects of typhoon Matsa on ionospheric TEC. Chin. Sci. Bull. 55, 712–717 (2010). https://doi.org/10.1007/s11434-009-0472-0

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  • DOI: https://doi.org/10.1007/s11434-009-0472-0

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