Results 21 to 30 of about 36,673 (286)

Combining Van Allen Probes and CubeSat Observations to Estimate Storm‐Time Maximum Outer Radiation Belt Electron Fluxes

open access: diamondSpace Weather
Understanding and forecasting extreme radiation belt electron fluxes has been a major goal in space weather since their discovery in 1958. In this study, by combining electron flux data from multiple satellite missions in different orbits, including Van ...
Man Hua   +6 more
doaj   +2 more sources

Magnetosonic Waves Above the Lower Hybrid Frequency in Cyclotron Resonance With the Van Allen Radiation Belt Electrons

open access: hybridGeophysical Research Letters, 2022
Cyclotron resonance with magnetosonic waves was usually considered unimportant for the Van Allen radiation belt electron dynamics because it occurs at energies that are too high.
Zhiyong Wu   +4 more
openalex   +2 more sources

Outer Radiation Belt Flux and Phase Space Density Response to Sheath Regions: Van Allen Probes and GPS Observations [PDF]

open access: hybridJournal of Geophysical Research: Space Physics, 2023
Turbulent and compressed sheath regions preceding interplanetary coronal mass ejections strongly impact electron dynamics in the outer radiation belt. Changes in electron flux can occur on timescales of tens of minutes, which are unlikely to be captured ...
Milla Kalliokoski   +11 more
openalex   +2 more sources

Evidence of H+‐Band EMIC Waves in the Inner Radiation Belt Observed by Van Allen Probes During Magnetic Storms [PDF]

open access: bronzeJournal of Geophysical Research: Space Physics, 2023
Electromagnetic ion cyclotron (EMIC) waves play an important role in the losses of ring current ions and outer radiation belt relativistic electrons.
Zhaohai He   +5 more
openalex   +2 more sources

Generation of extremely low frequency chorus in Van Allen radiation belts

open access: yesJournal of Geophysical Research: Space Physics, 2017
AbstractRecent studies have shown that chorus can efficiently accelerate the outer radiation belt electrons to relativistic energies. Chorus, previously often observed above 0.1 equatorial electron gyrofrequency fce, was generated by energetic electrons originating from Earth's plasma sheet.
Fuliang Xiao   +13 more
openaire   +3 more sources

Using machine learning to diagnose relativistic electron distributions in the Van Allen radiation belts [PDF]

open access: diamondRAS Techniques and Instruments, 2023
The behaviour of relativistic electrons in the radiation belt is difficult to diagnose as their dynamics are controlled by simultaneous physics processes, some of which may be still unknown.
S Killey   +8 more
openalex   +2 more sources

Gyroresonant wave-particle interactions with chorus waves during extreme depletions of plasma density in the Van Allen radiation belts [PDF]

open access: goldScience Advances, 2021
Periods of low plasma density allow chorus waves to accelerate radiation belt electrons to ultrarelativistic energies. The Van Allen Probes mission provides unique measurements of the most energetic radiation belt electrons at ultrarelativistic energies.
Hayley Allison   +4 more
openalex   +2 more sources

Dynamics of the inner electron radiation belt: A review

open access: yesEarth and Planetary Physics, 2023
The Van Allen radiation belts are an extraordinary science discovery in the Earth magnetosphere and consist of two electron belts. The inner Van Allen belt contains electrons of 10s to 100s keV; the outer belt consists mainly of 0.1−10 MeV electrons ...
YuXuan Li   +5 more
doaj   +1 more source

Properties of Lightning Generated Whistlers Based on Van Allen Probes Observations and Their Global Effects on Radiation Belt Electron Loss

open access: goldGeophysical Research Letters, 2020
Lightning generated whistlers (LGWs) play an important role in precipitating energetic electrons in the Earth's inner radiation belt and beyond.
Alex Green   +5 more
openalex   +2 more sources

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