10.9k citations
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- University of LiverpoolGB1.9k papers
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- Centre National de la Recherche ScientifiqueFR1.9k papers
- University of BirminghamGB1.9k papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR1.8k papers
- National Institute for Subatomic PhysicsNL1.8k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR1.8k papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT1.8k papers
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7 papers · 2 filters
Observations of Asymmetric Lobe Convection for Weak and Strong Tail Activity
A. Ohma, N. Østgaard, J. P. Reistad +6
In this study we use high-quality convection data from the Electron Drift Instrument on board Cluster to investigate how near-Earth tail activity affects the average convection pat…
Detection of terrestrial gamma-ray flashes with the AGILE/MCAL
Alessandro Ursi, Martino Marisaldi, Marco Tavani
AGILE is one of the satellites currently detecting terrestrial gamma-ray flashes (TGFs). In particular, the AGILE Mini-CALorimeter detected more than 2000 events in 8 years activit…
Spatial Variation in the Responses of the Surface External and Induced Magnetic Field to the Solar Wind
R. M. Shore, M. P. Freeman, J. C. Coxon +3
We analyze the spatial variation in the response of the surface geomagnetic field (or the equivalent ionospheric current) to variations in the solar wind. Specifically, we regress…
Interplanetary Magnetic Field Control of PolarIonospheric Equivalent Current System Modes
R. M. Shore, M. P. Freeman, J. W. Gjerloev
We analyze the response of different ionospheric equivalent current modes to variations in the interplanetary magnetic field (IMF) components By and Bz. Each mode comprises a fixed…
On the High-Energy Spectral Component and Fine Time Structure of Terrestrial Gamma Ray Flashes
M. Marisaldi, M. Galli, C. Labanti +13
Terrestrial gamma ray flashes (TGFs) are very short bursts of gamma radiation associated to thunderstorm activity and are the manifestation of the highest-energy natural particle a…
Gamma Ray Glow Observations at 20-km Altitude
N. Østgaard, H. J. Christian, J. E. Grove +12
In the spring of 2017 an ER-2 aircraft campaign was undertaken over continental United States to observe energetic radiation from thunderstorms and lightning. The payload consisted…
Prediction of soft proton intensities in the near-Earth space using machine learning
Elena A. Kronberg, Tanveer Hannan, Jens Huthmacher +14
The spatial distribution of energetic protons contributes towards the understanding of magnetospheric dynamics. Based upon 17 years of the Cluster/RAPID observations, we have deriv…