Importance of Regional‐Scale Auroral Precipitation and Electrical Field Variability to the Storm‐Time Thermospheric Temperature Enhancement and Inversion Layer (TTEIL) in the Antarctic E Region

Wu, Haonan; Lu, Xian; Lu, Gang; Chu, Xinzhao; Wang, Wenbin; Yu, Zhibin; Kilcommons, Liam M.; Knipp, Delores J.; Wang, Boyi; Nishimura, Yukitoshi

doi:10.1029/2020ja028224

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Importance of Regional‐Scale Auroral Precipitation and Electrical Field Variability to the Storm‐Time Thermospheric Temperature Enhancement and Inversion Layer (TTEIL) in the Antarctic E Region

2020
By Wu, Haonan ; Lu, Xian ; Lu, Gang ; ...
Source: Journal of Geophysical Research: Space Physics, 125(9)

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Journal Title:

Journal of Geophysical Research: Space Physics
Personal Author:

Wu, Haonan ; Lu, Xian ; Lu, Gang ; Chu, Xinzhao ; Wang, Wenbin ; ... More +

Wu, Haonan ; Lu, Xian ; Lu, Gang ; Chu, Xinzhao ; Wang, Wenbin ; Yu, Zhibin ; Kilcommons, Liam M. ; Knipp, Delores J. ; Wang, Boyi ; Nishimura, Yukitoshi Less -
NOAA Program & Office:

CIRES (Cooperative Institute for Research in Environmental Sciences)
Description:

A dramatic thermospheric temperature enhancement and inversion layer (TTEIL) was observed by the Fe Boltzmann lidar at McMurdo, Antarctica during a geomagnetic storm (Chu et al. 2011, https://doi.org/10.1029/2011GL050016). The Thermosphere ‐Ionosphere ‐Electrodynamics General Circulation Model (TIEGCM) driven by empirical auroral precipitation and background electric ﬁelds cannot adequately reproduce the TTEIL. We incorporate the Defense Meteorological Satellite Program (DMSP)/Special Sensor Ultraviolet Spectrographic Imager (SSUSI) auroral precipitation maps, which capture the regional ‐scale features into TIEGCM and add subgrid electric ﬁeld variability in the regions with
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Geophysics Space And Planetary Science
Source:

Journal of Geophysical Research: Space Physics, 125(9)
DOI:

https://doi.org/10.1029/2020ja028224
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2169-9380;2169-9402;
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American Geophysical Union (AGU)
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Journal Article
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urn:sha256:946a993539122d824b362bc743277dd59625d54ad0afb7825385232cff025fc4
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