Publications related to the GRACE Missions (no abstracts)

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Were Gravity Waves or Lamb Waves Responsible for the Large-Scale Thermospheric Response to the Tonga Eruption?

Li, Ruoxi, Lei, Jiuhou, Zhang, Shun-Rong, Liu, Feifan, Chen, Xuetao, Luan, Xiaoli, and Meng, Xing, 2025. Were Gravity Waves or Lamb Waves Responsible for the Large-Scale Thermospheric Response to the Tonga Eruption?. AGU Advances, 6(2):e2024AV001470, doi:10.1029/2024AV001470.

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@ARTICLE{2025AGUA....601470L,
       author = {{Li}, Ruoxi and {Lei}, Jiuhou and {Zhang}, Shun-Rong and {Liu}, Feifan and {Chen}, Xuetao and {Luan}, Xiaoli and {Meng}, Xing},
        title = "{Were Gravity Waves or Lamb Waves Responsible for the Large-Scale Thermospheric Response to the Tonga Eruption?}",
      journal = {AGU Advances},
     keywords = {thermosphere, gravity waves, lamb waves, volcanic eruption},
         year = 2025,
        month = apr,
       volume = {6},
       number = {2},
          eid = {e2024AV001470},
        pages = {e2024AV001470},
     abstract = "{The extraordinary eruption of the Tonga volcano on 15 January 2022
        lofted material to heights exceeding 50 km, marking the highest
        observed since the satellite era. This eruption caused
        significant disturbances spanning from the hydrosphere up to the
        thermosphere. Our recent investigation discovered the dramatic
        thermospheric responses at satellite altitudes. This study,
        however, provides physical insights into two main possible
        processes, secondary gravity waves (GWs) and Lamb waves, which
        may explain those observed large-scale thermospheric
        disturbances. The comparison between the simulations and
        observations suggests that the MESORAC-HIAMCM secondary GWs are
        consistent with GRACE-FO measured global-propagation
        thermospheric density disturbances in timing and amplitude.
        WACCM-X simulations suggest that the Lamb wave can reach the
        thermosphere as a sharp, narrow wave packet, and may contribute
        about 25\% to the total disturbances at 510 km.}",
          doi = {10.1029/2024AV001470},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2025AGUA....601470L},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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