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Statistical Analysis of Joule Heating and Thermosphere Response During Geomagnetic Storms of Different Magnitudes

Wang, Xin, Miao, Juan, Aa, Ercha, Ren, Tingling, Wang, Yuxian, Liu, Ji, and Liu, Siqing, 2020. Statistical Analysis of Joule Heating and Thermosphere Response During Geomagnetic Storms of Different Magnitudes. Journal of Geophysical Research (Space Physics), 125(8):e27966, doi:10.1029/2020JA027966.

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@ARTICLE{2020JGRA..12527966W,
       author = {{Wang}, Xin and {Miao}, Juan and {Aa}, Ercha and {Ren}, Tingling and {Wang}, Yuxian and {Liu}, Ji and {Liu}, Siqing},
        title = "{Statistical Analysis of Joule Heating and Thermosphere Response During Geomagnetic Storms of Different Magnitudes}",
      journal = {Journal of Geophysical Research (Space Physics)},
     keywords = {geomagnetic storm, Joule heating, thermospheric density},
         year = 2020,
        month = aug,
       volume = {125},
       number = {8},
          eid = {e27966},
        pages = {e27966},
     abstract = "{During a geomagnetic storm, the energy deposition from magnetosphere to
        thermosphere through Joule heating leads to variations in the
        total mass density of thermosphere. In this study, measurements
        obtained from the Challenging Minisatellite Payload and Gravity
        Recovery and Climate Experiment satellites between 2002 and 2008
        are used to study the response of thermospheric density during
        geomagnetic storms of different magnitudes inferred from the Dst
        index. Based on the height-integrated Joule heating with data
        derived from the Defense Meteorological Satellite Program
        spacecraft, we statistically analyze 265 geomagnetic storm cases
        to study the characteristics of Joule heating distribution and
        its influence on thermospheric density. The results show that
        between thermospheric density and Joule heating during weak and
        moderate geomagnetic storms, the time lag is only about 0-2 hr,
        while the same for intense storms is 3-5 hr. This indicates that
        the time lag is positively correlated with the intensity of
        geomagnetic storms. Besides, it is found that the peak duration
        of Joule heating increases for more intense geomagnetic storms.}",
          doi = {10.1029/2020JA027966},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2020JGRA..12527966W},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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