Member Since 1989
Mei-Ching Hannah Fok
Astrophysicist, NASA Goddard Space Flight Center
AGU Research
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Impact of recirculated and heated protons originated from plasmasphere on ring currents
AGU 2024
spa-magnetospheric physics | 13 december 2024
Suk-Bin Kang, Mei-Ching H. Fok, Alex Glocer, Crist...
The plasmasphere consisting of a few eV ions and electrons plays important roles in the magnetospheric dynamics. For example, the plasmasphere control...
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Assessment of CIMI Electron Precipitation Performances During Two Geomagnetic Storms Alongside DMSP Data
AGU 2024
spa-aeronomy | 13 december 2024
DIBYENDU SUR, Mei-Ching H. Fok, Natalia Buzulukova...
This paper reports performances of the Comprehensive Inner Magnetosphere Ionosphere (CIMI) model regarding its prediction capabilities of auroral elec...
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The Roles of Precipitation Loss in Ring Current Recovery
AGU 2024
spa-magnetospheric physics | 13 december 2024
Mei-Ching H. Fok, Kai Chen, Cristian Ferradas, Cri...
The enhancement and decay of ring current (~ 1 < E < 500 keV) ion and electron fluxes during geomagnetic active periods cause the development of...
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SubAuroral Red Arcs Generated by Inner Magnetospheric Heat Flux
AGU 2024
spa-aeronomy | 11 december 2024
Dong Lin, Wenbin Wang, Mei-Ching H. Fok, Kevin H. ...
Subauroral red (SAR) arcs are commonly observed ionospheric red line emissions. They are usually attributed to subauroral electron heating by inner ma...
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Solar Wind and Magnetospheric Conditions for Satellite Anomalies Attributed to Shallow Internal Charging
AGU 2024
spa-aeronomy | 10 december 2024
Juan V. Rodriguez, Brian Kress, Natalia Buzulukova...
Satellite charging in Earth's magnetosphere frequently causes operational anomalies. A recent study of a frequent anomaly in geostationary earth orbit...
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The role of the terrestrial exosphere in the storm-time ring current decay
AGU 2024
planetary sciences | 10 december 2024
Cristian Ferradas, Gonzalo Cucho-Padin, Jochen Zoe...
The terrestrial ring current plays a major role storing and dissipating energy during geomagnetic storms. One of the main ring current loss mechanisms...
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ENA Forward Modeling for Storm Time O+ Ring Current Imaging Evolution (STORIE) Mission
AGU 2024
spa-aeronomy | 10 december 2024
Erik Vandegriff, Alex Glocer, Mei-Ching H. Fok, Ni...
Storm Time O+ Ring Current Imaging Evolution (STORIE) is an upcoming NASA Heliophysics (HFORT) mission scheduled to launch in 2026 that will look at f...
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Characterization of Space Radiation Environment of the International Space Station during Recent Solar Storms
AGU 2024
spa-magnetospheric physics | 10 december 2024
Tiancheng Shao, Mei-Ching H. Fok, Cristian Ferrada...
Solar storms can lead to an increase in energetic particles, which can penetrate the International Space Station (ISS), potentially causing harm to th...
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