Publications related to the GRACE Missions (no abstracts)

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Thermospheric Heating and Cooling Times During Geomagnetic Storms, Including Extreme Events

Zesta, Eftyhia and Oliveira, Denny M., 2019. Thermospheric Heating and Cooling Times During Geomagnetic Storms, Including Extreme Events. Geophysical Research Letters, 46(22):12,739–12,746, doi:10.1029/2019GL085120.

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@ARTICLE{2019GeoRL..4612739Z,
       author = {{Zesta}, Eftyhia and {Oliveira}, Denny M.},
        title = "{Thermospheric Heating and Cooling Times During Geomagnetic Storms, Including Extreme Events}",
      journal = {\grl},
     keywords = {extreme geomagnetic storms, thermosphere heating, thermosphere cooling, superposed epoch density},
         year = 2019,
        month = nov,
       volume = {46},
       number = {22},
        pages = {12,739-12,746},
     abstract = "{We present the first quantitative calculations of thermospheric heating
        and cooling times for geomagnetic storms of different intensity,
        including extreme events. We utilize the neutral mass density
        database of the CHAllenging Mini-satellite Payload and Gravity
        Recovery And Climate Experiment missions to produce
        thermospheric global system response to geomagnetic storms
        caused by coronal mass ejections via superposed epoch analysis
        during May 2001 to December 2015. Storm events are grouped in
        five different categories based on the minimum value of the
        SYM-H index. We calculate the time from storm onset for the
        thermosphere to reach maximum intensification (heating time) and
        the time from onset for the thermosphere to recover (cooling
        time). We find that heating and cooling times decrease as storm
        intensity increases and the effect is more pronounced for the
        cooling times. For extreme storms, the thermospheric heating
        time is 9.5 hr, while the cooling time is 22 hr.}",
          doi = {10.1029/2019GL085120},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2019GeoRL..4612739Z},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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