Low-and mid-latitude ionospheric response to the 2013 St. Patrick's day geomagnetic storm in the American sector: Global ionosphere thermosphere model …

Q Zhu, G Lu, Y Deng - Frontiers in Astronomy and Space Sciences, 2022 - frontiersin.org
In this study, the low-and mid-latitude ionospheric response to the main phase of the 2013
St. Patrick's Day geomagnetic storm in the American sector on the dayside has been …

Impacts of different causes on the inter‐hemispheric asymmetry of ionosphere‐thermosphere system at mid‐and high‐latitudes: Gitm simulations

Y Hong, Y Deng, Q Zhu, A Maute, C Sheng… - Space …, 2021 - Wiley Online Library
In this study, the Global Ionosphere Thermosphere Model is utilized to investigate the inter‐
hemispheric asymmetry in the ionosphere‐thermosphere (I‐T) system at mid‐and high …

Small‐scale and mesoscale variabilities in the electric field and particle precipitation and their impacts on Joule heating

Q Zhu, Y Deng, A Richmond… - Journal of Geophysical …, 2018 - Wiley Online Library
In this study, the electric field and the particle precipitation at different spatial scale sizes
have been investigated by utilizing the Dynamic Explorer 2 satellite data set, focusing on …

Impact of soft electron precipitation on the thermospheric neutral mass density during geomagnetic storms: GITM simulations

Q Zhu, Y Deng, C Sheng, P Anderson… - Geophysical …, 2022 - Wiley Online Library
In this study, the impact of improving soft (0.1–1 keV) electron precipitation on the F‐region
neutral mass density has been evaluated using the Global Ionosphere Thermosphere Model …

Seasonal Variation of O/N2 on Different Pressure Levels From GUVI Limb Measurements

T Yu, Z Ren, H Le, W Wan, W Wang… - Journal of Geophysical …, 2020 - Wiley Online Library
The ratio of O number density to N2 number density (O/N2) is an important parameter to
describe thermospheric composition changes and its effects on the ionosphere. Based on …

Relative contributions of field‐aligned currents and particle precipitation to inter‐hemispheric asymmetry at high latitudes during the 2015 St. Patrick's Day storm

Y Hong, Y Deng, A Maute, G Lu, Q Zhu… - Journal of …, 2024 - Wiley Online Library
High latitude upper atmospheric inter‐hemispheric asymmetry (IHA) tends to be enhanced
during geomagnetic storms, which may be due to the complex spatiotemporal changes and …

Modeling solar eclipses at extreme ultra violet wavelengths and the effects of nonuniform eclipse shadow on the ionosphere‐thermosphere system

S Mrak, Q Zhu, Y Deng, IE Dammasch… - Journal of …, 2022 - Wiley Online Library
The impacts of solar eclipses on the ionosphere‐thermosphere system particularly the
composition, density, and transport are studied using numerical simulation and subsequent …

Investigating the interhemispheric asymmetry in Joule heating during the 2013 St. Patrick's Day geomagnetic storm

AR Smith, DS Ozturk, P Delamere, G Lu… - Space Weather, 2023 - Wiley Online Library
Sudden changes in energy input from the magnetosphere during geomagnetic storms could
drive extreme variability in the ionosphere‐thermosphere system, which in turn affect …

Impacts of binning methods on high‐latitude electrodynamic forcing: Static versus boundary‐oriented binning methods

Q Zhu, Y Deng, A Richmond, A Maute… - Journal of …, 2020 - Wiley Online Library
An outstanding issue in the general circulation model simulations for Earth's upper
atmosphere is the inaccurate estimation of Joule heating, which could be associated with …

Investigation of thermospheric response to geomagnetic storms using GITM‐OVATION prime and‐FTA model with comparison to GOLD and SABER observations

AE Chand, G Bowden, M Brown - Journal of Geophysical …, 2024 - Wiley Online Library
Abstract Global Ionosphere Thermosphere Model (GITM) results have been compared with
measurements from Global‐scale observations of the limb and disk (GOLD) and Sounding …