Modeling of the cold electron plasma density for radiation belt physics

JF Ripoll, V Pierrard, GS Cunningham… - Frontiers in Astronomy …, 2023 - frontiersin.org
This review focusses strictly on existing plasma density models, including ionospheric
source models, empirical density models, physics-based and machine-learning density …

Statistics and empirical models of the plasmasphere boundaries from the Van Allen Probes for radiation belt physics

JF Ripoll, SA Thaller, DP Hartley… - Geophysical …, 2022 - Wiley Online Library
We deduce the electron plasma density from the NASA Van Allen Probes Electric Field and
Waves and Electric and Magnetic Field Instrument Suite and Integrated Science …

Low frequency plasmaspheric hiss wave activity parameterized by plasmapause location: Models and simulations

AA Saikin, AY Drozdov… - Journal of Geophysical …, 2022 - Wiley Online Library
Plasmaspheric hiss waves are a dominant source of scattering for keV‐MeV radiation belt
electrons within the plasmasphere. Previous simulation and modeling work concerning hiss …

[HTML][HTML] Overview, Progress and Next Steps for Our Understanding of the Near-Earth Space Radiation and Plasma Environment: Science and Applications

Y Zheng, I Jun, W Tu, Y Shprits, W Kim… - Advances in Space …, 2024 - Elsevier
Abstract The Near-Earth Space Radiation and Plasma Environment falls within the realm of
G3 Cluster (G3 refers to 'Near-Earth Radiation and Plasma Environment'of the 'Coupled …

Nonlinear wave‐particle interaction effects on radiation belt electron dynamics in 9 October 2012 storm

D Kondrashov, AY Drozdov… - Journal of Geophysical …, 2024 - Wiley Online Library
We study the geomagnetic storm of 9 October 2012, where it had been generally accepted
that the resulting prominent outer radiation belt electron acceleration throughout the storm is …

NARX neural network derivations of the outer boundary radiation belt electron flux

DA Landis, AA Saikin, I Zhelavskaya… - Space …, 2022 - Wiley Online Library
We present two new empirical models of radiation belt electron flux at geostationary orbit.
GOES‐15 measurements of 0.8 MeV electrons were used to train a Nonlinear …

[HTML][HTML] Reconstruction of electron radiation belts using data assimilation and machine learning

AY Drozdov, D Kondrashov, K Strounine… - Frontiers in Astronomy …, 2023 - frontiersin.org
We present a reconstruction of radiation belt electron fluxes using data assimilation with low-
Earth-orbiting Polar Orbiting Environmental Satellites (POES) measurements mapped to …

Ensemble modeling of radiation belt electron flux decay following a geomagnetic storm: Dependence on key input parameters

M Hua, J Bortnik, AC Kellerman, E Camporeale… - Space …, 2022 - Wiley Online Library
We perform an ensemble of quasi‐linear diffusion simulations of the radiation belt electron
flux decay for∼ 6 days at L= 3.5 during the recovery phase of the storm on 7 November …

Data assimilation in the near-earth electron radiation environment

YY Shprits, A Castillo, N Aseev… - Applications of data …, 2023 - books.google.com
Energetic charged particles trapped by the Earth's magnetic field present a significant
hazard for Earth-orbiting satellites and humans in space. Application of the data assimilation …

A modeling study of≥ 2 MeV electron fluxes in GEO at different prediction time scales based on LSTM and transformer networks

X Sun, D Wang, A Drozdov, R Lin, A Smirnov, Y Shprits… - 2024 - swsc-journal.org
In this study, we develop models to predict the log 10 of≥ 2 MeV electron fluxes with 5-
minute resolution at the geostationary orbit using the Long Short-Term Memory (LSTM) and …