GNSS World of China

Volume 43 Issue 6
Dec.  2018
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XU Jiujing, KE Fuyang, ZHAO Xingwang. Study on the Characteristics of the Ionospheric TEC Disturbances Caused by Typhoon Based on GroundBased GPS Data[J]. GNSS World of China, 2018, 43(6): 98-104. doi: doi:10.13442/j.gnss.1008-9268.2018.06.017
Citation: XU Jiujing, KE Fuyang, ZHAO Xingwang. Study on the Characteristics of the Ionospheric TEC Disturbances Caused by Typhoon Based on GroundBased GPS Data[J]. GNSS World of China, 2018, 43(6): 98-104. doi: doi:10.13442/j.gnss.1008-9268.2018.06.017
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Study on the Characteristics of the Ionospheric TEC Disturbances Caused by Typhoon Based on GroundBased GPS Data

doi: doi:10.13442/j.gnss.1008-9268.2018.06.017
  • 1.

    School of Geodesy and Geomatics, Anhui University of Science & Technology, Huainan 232001, China

  • 2.

    School of Remote Sensing and Geomatics Engineering, Nanjing University Information of Science & Technology, Nanjing 210044, China

  • Publish Date: 2018-12-15
    Abstract
  • The way to study ionosphere used the Global Position System has many advantages of all-weather, high-resolution and wide-range. Based on the sliding interquartile range method and with the ionospheric TEC data which is extracted from GPS dual observation and GIM, this paper studies the feature of the ionospheric TEC disturbances caused by typhoon at its passage areas and landing site. The results show that the day before the typhoon landed in Xiamen, the TEC has a strong positive disturbance, and there is a small-scale negative disturbance occurred the day after landing; Before the typhoon approached Taiwan Island, there is a widely range of positive ionospheric anomaly disturbances whose value is 15～20 TECU and the duration is 10 h in the typhoon-affected areas. Combined with the terrain of Xiamen and Taiwan Island, it is inferred that the TEC anomaly is due to the propagation of acoustic gravity waves induced by typhoon into the ionosphere altitude.

     

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