The effect of solar-wind turbulence on magnetospheric activity

R D'Amicis, D Telloni, R Bruno - Frontiers in Physics, 2020 - frontiersin.org
The solar wind is a highly turbulent medium exhibiting scalings of the fluctuations ranging
over several decades of scales from the correlation length down to proton and electron …

Prediction capability of geomagnetic events from solar wind data using neural networks

D Telloni, ML Schiavo, E Magli, S Fineschi… - The Astrophysical …, 2023 - iopscience.iop.org
Multiple neural network architectures, with different structural composition and complexity,
are implemented in this study with the aim of providing multi-hour-ahead warnings of severe …

Statistical methods applied to space weather science

D Telloni - Frontiers in Astronomy and Space Sciences, 2022 - frontiersin.org
Space Weather is receiving more and more attention from the heliophysical scientific
community, as it is now well established that an adequate capability of monitoring any Earth …

Alfvénicity-related long recovery phases of geomagnetic storms: a space weather perspective

D Telloni, R D'Amicis, R Bruno, D Perrone… - The Astrophysical …, 2021 - iopscience.iop.org
This paper reports, for the first time on a statistical basis, on the key role played by the
Alfvénic fluctuations in modulating the recovery phase of the geomagnetic storms, slowing …

[HTML][HTML] Study of two interacting interplanetary coronal mass ejections encountered by Solar Orbiter during its first perihelion passage-Observations and modeling

D Telloni, C Scolini, C Möstl, GP Zank, LL Zhao… - Astronomy & …, 2021 - aanda.org
Context. Solar Orbiter, the new-generation mission dedicated to solar and heliospheric
exploration, was successfully launched on February 10, 2020, 04: 03 UTC from Cape …

Recurrent galactic cosmic-ray flux modulation in L1 and geomagnetic activity during the declining phase of the solar cycle 24

C Grimani, A Cesarini, M Fabi, F Sabbatini… - The Astrophysical …, 2020 - iopscience.iop.org
Abstract Short-term variations (< 1 month) of the galactic cosmic-ray (GCR) flux in the inner
heliosphere are mainly associated with the passage of high-speed solar wind streams …

Forecasting Geoffective Events from Solar Wind Data and Evaluating the Most Predictive Features through Machine Learning Approaches

S Guastavino, K Bahamazava, E Perracchione… - arXiv preprint arXiv …, 2024 - arxiv.org
This study addresses the prediction of geomagnetic disturbances by exploiting machine
learning techniques. Specifically, the Long-Short Term Memory recurrent neural network …

Space weather effects on transportation systems: A review of current understanding and future outlook

D Xue, L Wu, T Xu, CL Wu, Z Wang, Z He - Space Weather, 2024 - Wiley Online Library
Abstract Space weather events, including solar flares, coronal mass ejections, and
geomagnetic storms, have significant effects on various transportation systems. This review …

Establishment and Application of an Interplanetary Disturbance Index Based on the Solar Wind–Magnetosphere Energy Coupling Function and the Spectral …

X Zhao, J Wang, M Zhao, YD Liu, H Hu… - The Astrophysical …, 2024 - iopscience.iop.org
We develop a preliminary interplanetary disturbance index (Js W) by applying the spectral
whitening method to an energy coupling function with solar wind measurements during the …

The State of Solar Wind Heavy Ions in Interplanetary Coronal Mass Ejection–Driven Geomagnetic Storms

C Wang, F He, X Zhang - The Astrophysical Journal, 2024 - iopscience.iop.org
During geomagnetic storms, which are the primary periods for heavy ions from the solar
wind to enter Earth's magnetospheric space, the charge state of solar wind heavy ions …