Coronal mass ejections and their sheath regions in interplanetary space

E Kilpua, HEJ Koskinen, TI Pulkkinen - Living Reviews in Solar Physics, 2017‏ - Springer
Interplanetary coronal mass ejections (ICMEs) are large-scale heliospheric transients that
originate from the Sun. When an ICME is sufficiently faster than the preceding solar wind, a …

Mesoscale structure in the solar wind

NM Viall, CE DeForest, L Kepko - Frontiers in Astronomy and Space …, 2021‏ - frontiersin.org
Structures in the solar wind result from two basic mechanisms: structures injected or
imposed directly by the Sun, and structures formed through processing en route as the solar …

Source and seed populations for relativistic electrons: Their roles in radiation belt changes

AN Jaynes, DN Baker, HJ Singer… - Journal of …, 2015‏ - Wiley Online Library
Strong enhancements of outer Van Allen belt electrons have been shown to have a clear
dependence on solar wind speed and on the duration of southward interplanetary magnetic …

The response of Earth's electron radiation belts to geomagnetic storms: Statistics from the Van Allen Probes era including effects from different storm drivers

DL Turner, EKJ Kilpua, H Hietala… - Journal of …, 2019‏ - Wiley Online Library
A statistical study was conducted of Earth's radiation belt electron response to geomagnetic
storms using NASA's Van Allen Probes mission. Data for electrons with energies ranging …

Space plasma physics: A review

BT Tsurutani, GP Zank, VJ Sterken… - … on Plasma Science, 2022‏ - ieeexplore.ieee.org
Owing to the ever-present solar wind, our vast solar system is full of plasmas. The turbulent
solar wind, together with sporadic solar eruptions, introduces various space plasma …

The global statistical response of the outer radiation belt during geomagnetic storms

KR Murphy, CEJ Watt, IR Mann… - Geophysical …, 2018‏ - Wiley Online Library
Using the total radiation belt electron content calculated from Van Allen Probe phase space
density, the time‐dependent and global response of the outer radiation belt during storms is …

A statistical survey of radiation belt dropouts observed by Van Allen Probes

Z **ang, W Tu, B Ni, MG Henderson… - Geophysical Research …, 2018‏ - Wiley Online Library
A statistical analysis on the radiation belt dropouts is performed based on 4 years of electron
phase space density data from the Van Allen Probes. The μ, K, and L* dependence of …

Unraveling the drivers of the storm time radiation belt response

EKJ Kilpua, H Hietala, DL Turner… - Geophysical …, 2015‏ - Wiley Online Library
We present a new framework to study the time evolution and dynamics of the outer Van
Allen belt electron fluxes. The framework is entirely based on the large‐scale solar wind …

[ספר][B] Physics of Earth's radiation belts: Theory and observations

HEJ Koskinen, EKJ Kilpua - 2022‏ - library.oapen.org
This open access book serves as textbook on the physics of the radiation belts surrounding
the Earth. Discovered in 1958 the famous Van Allen Radiation belts were among the first …

Ultra-relativistic Electron Acceleration during High-intensity Long-duration Continuous Auroral Electrojet Activity Events

R Hajra, BT Tsurutani, Q Lu, GS Lakhina… - The Astrophysical …, 2024‏ - iopscience.iop.org
Magnetospheric relativistic electrons are accelerated during substorms and strong
convection events that occur during high-intensity long-duration continuous auroral …