GOLD observations of the thermospheric response to the 10–12 May 2024 Gannon superstorm

JS Evans, J Correira, JD Lumpe… - Geophysical …, 2024 - Wiley Online Library
After days of intense solar activity, active region AR3664 launched seven CMEs toward
Earth producing an extreme G5 geomagnetic storm commencing at 17: 05 UT on 10 May …

Investigation of the Southern Hemisphere Mid‐High Latitude Thermospheric ∑O/N2 Responses to the Space‐X Storm

X Cai, W Wang, D Lin, RW Eastes… - Journal of …, 2023 - Wiley Online Library
The geomagnetic storm on February 3, 2022 caused the loss of 38 Starlink satellites of
Space‐X. The Global‐scale Observations of the Limb and Disk (GOLD) observations and …

Mid‐latitude ionospheric response to a weak geomagnetic activity event during solar minimum

C Zhai, X Cai, W Wang, A Coster, L Qian… - Journal of …, 2023 - Wiley Online Library
Abstract Salient depletions (30%–40% of the reference values) were observed in the vertical
total electron content (VTEC) from the Global Navigation Satellite System (GNSS) network …

Diagnostic Analysis of the Physical Processes Underlying the Long‐Duration O/N2 Depletion During the Recovery Phase of the 8 June 2019 Geomagnetic Storm

T Yu, W Wang, Z Ren, X Cai, L Liu, M He… - Journal of …, 2022 - Wiley Online Library
Abstract A thermospheric O and N2 column density ratio (∑ O/N2) depletion with long‐
duration (> 16 hr) was observed by the Global‐scale Observations of the Limb and Disk at …

The Effects of IMF By on the Middle Thermosphere During a Geomagnetically “Quiet” Period at Solar Minimum

X Cai, W Wang, A Burns, L Qian… - Journal of Geophysical …, 2022 - Wiley Online Library
Numerical simulations using the National Center for Atmospheric Research (NCAR)
thermosphere‐ionosphere‐electrodynamics general circulation model (TIE‐GCM) are …

Investigation of the ΣO/N2 Depletion With Latitudinally Tilted Equatorward Boundary Observed by GOLD During the Geomagnetic Storm on April 20, 2020

T Yu, X Cai, Z Ren, S Li, N Pedatella… - Journal of Geophysical …, 2022 - Wiley Online Library
Abstract A long‐lived (> 10 hr) O/N2 column density ratio (∑ O/N2) depletion at middle
latitudes was observed by the Global‐scale Observations of the Limb and Disk (GOLD) …

East–west difference in the ionospheric response during the recovery phase of May 2024 super geomagnetic storm over the East Asian

X Guo, B Zhao, T Yu, H Hao, W Sun… - Journal of …, 2024 - Wiley Online Library
In this study, we offer an extensive examination of the F‐region ionospheric disturbances
during the May 2024 superstorm, focusing primarily on the middle‐low latitude regions of …

Investigation of interhemispheric asymmetry of the thermospheric composition observed by GOLD during the first strong geomagnetic storm in solar‐cycle 25, 1: IMF …

T Yu, X Cai, Z Ren, Z Wang… - Journal of Geophysical …, 2023 - Wiley Online Library
An interhemispheric asymmetry of thermospheric Oxygen (O) to Nitrogen (N2) column
density ratio (∑ O/N2) variations was observed by the Global‐scale Observations of the …

Satellite in situ electron density observations of the midlatitude storm enhanced density on the noon meridional plane in the F region during the 20 November 2003 …

CS Lin, EK Sutton, W Wang, X Cai, G Liu… - Journal of …, 2022 - Wiley Online Library
Ionospheric storm enhanced density (SED) has been extensively investigated using total
electron content deduced from GPS ground and satellite‐borne receivers. However, dayside …

Altitude extension of the NCAR‐TIEGCM (TIEGCM‐X) and evaluation

Y Cai, X Yue, W Wang, SR Zhang, H Liu, D Lin… - Space …, 2022 - Wiley Online Library
The upper boundary height of the traditional community general circulation model of the
ionosphere‐thermosphere system is too low to be applied to the topside ionosphere …