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 …

Ionosphere influenced from lower-lying atmospheric regions

P Koucká Knížová, J Laštovička, D Kouba… - Frontiers in Astronomy …, 2021 - frontiersin.org
The ionosphere represents part of the upper atmosphere. Its variability is observed on a
wide-scale temporal range from minutes, or even shorter, up to scales of the solar cycle and …

Inter-hemispheric asymmetries in high-latitude electrodynamic forcing and the thermosphere during the October 8–9, 2012, geomagnetic storm: An integrated data …

Y Hong, Y Deng, Q Zhu, A Maute… - Frontiers in Astronomy …, 2023 - frontiersin.org
Inter-hemispheric asymmetry (IHA) in Earth's ionosphere–thermosphere (IT) system can be
associated with high-latitude forcing that intensifies during storm time, eg, ion convection …

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 …

The effect of subauroral polarization streams on ionosphere and thermosphere during the 2015 St. Patrick's Day storm: Global ionosphere‐thermosphere model …

JP Guo, Y Deng, DH Zhang, Y Lu… - Journal of …, 2018 - Wiley Online Library
Abstract Using the Millstone Hill incoherent scatter radar observations during 2015 St.
Patrick's Day storm, subauroral polarization streams (SAPSs) have been specified in the …

Atmospheric gravity waves in the ionosphere and thermosphere during the 2017 solar eclipse

CY Lin, Y Deng, A Ridley - Geophysical Research Letters, 2018 - Wiley Online Library
As a cavity of solar radiation created by the lunar shadow moves across the United States on
21 August 2017, decreases in local ionospheric and thermospheric (IT) temperature and …

Thermal effects of nonlinear acoustic-gravity waves propagating at thermospheric temperatures matching high and low solar activity

NM Gavrilov, SP Kshevetskii, AV Koval - Journal of Atmospheric and Solar …, 2020 - Elsevier
Numerical high-resolution modeling of nonlinear acoustic-gravity waves (AGWs) generated
at the Earth's surface and propagating to the thermosphere shows that wave characteristics …

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 …