Publications related to the GRACE Missions (no abstracts)

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Investigating Topside Ionospheric Responses to the November 2003 Superstorm Using CHAMP, GRACE, and SAC-C Satellite Observations

Ye, Hailun, Yi, Wen, Wu, Jianfei, Yu, Bingkun, Zhong, Jiahao, Xue, Xianghui, Tian, Penghao, Long, Chi, Li, Jian, Lu, Maolin, Wang, Chong, Chen, Tingdi, and Dou, Xiankang, 2025. Investigating Topside Ionospheric Responses to the November 2003 Superstorm Using CHAMP, GRACE, and SAC-C Satellite Observations. Journal of Geophysical Research (Space Physics), 130(6):e2024JA033478, doi:10.1029/2024JA033478.

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@ARTICLE{2025JGRA..13033478Y,
       author = {{Ye}, Hailun and {Yi}, Wen and {Wu}, Jianfei and {Yu}, Bingkun and {Zhong}, Jiahao and {Xue}, Xianghui and {Tian}, Penghao and {Long}, Chi and {Li}, Jian and {Lu}, Maolin and {Wang}, Chong and {Chen}, Tingdi and {Dou}, Xiankang},
        title = "{Investigating Topside Ionospheric Responses to the November 2003 Superstorm Using CHAMP, GRACE, and SAC-C Satellite Observations}",
      journal = {Journal of Geophysical Research (Space Physics)},
     keywords = {topside ionosphere, magnetic superstorm, satellite observations, equatorial ionospheric anomaly, Weddell Sea anomaly},
         year = 2025,
        month = jun,
       volume = {130},
       number = {6},
          eid = {e2024JA033478},
        pages = {e2024JA033478},
     abstract = "{In this work, topside Total Electron Content (TEC) obtained from CHAMP,
        GRACE, and SAC-C, along with in situ electron density (Ne)
        measurements from CHAMP and GRACE, were utilized to investigate
        the response of the topside ionosphere to the November 2003
        superstorm, particularly during its recovery phase. Observations
        from multiple satellites revealed unexpected and persistent
        enhancements in the topside ionosphere during the late recovery
        phase (22{\textendash}24 November 2003), which were more
        pronounced in the Eastern Pacific sector than in the Asian
        sector, indicating notable longitudinal differences.
        Intriguingly, the opposite inter-hemispheric asymmetries of the
        enhancement were observed near the peak height of F2 and the
        topside ionosphere on the dayside in the Eastern Pacific sector.
        During the late recovery phase, the storm-time enhancement in
        the eastward electric field and trans-equatorial wind likely
        contributed to the observed positive ionospheric storm effects
        and inter-hemispheric asymmetry, respectively. Additionally,
        this study confirmed substantial enhancements in the dayside
        topside ionosphere during the storm's main phase on 20 November
        2003. These findings underscore the need for a global, multi-
        instrumental approach to fully understand the diverse responses
        of the topside ionosphere to geomagnetic storms.}",
          doi = {10.1029/2024JA033478},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2025JGRA..13033478Y},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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