Results 141 to 150 of about 18,291 (244)

Toward Forecasting Geomagnetic Storms

, 2022
Eve Chase, Brian Larsen
openaire   +2 more sources

A Neural Network Model of Equatorial Electric Field Structures in the Inner Magnetosphere

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract Enabled by state‐of‐the‐art electric field measurements from the Van Allen Probes and careful calibration of the high‐quality data, we developed the first machine‐learning based inner‐magnetosphere electric field model, which covers L = 2.5–6.0 within 20° ${}^{\circ}$ around the magnetic equator.
M. Hua, S. Tian, J. Bortnik, D. Ma, Y. Wang, L. R. Lyons, J. R. Wygant   +6 more
wiley   +1 more source

Auroral zone electron precipitation accompanying a sudden impulse in the geomagnetic field [PDF]

Auroral zone electron precipitation accompanying sudden commencement of geomagnetic ...
Brown, R. R.
core   +1 more source

The geomagnetic and geoelectric response to the May 2024 geomagnetic storm in the United Kingdom

Frontiers in Astronomy and Space Sciences
The “Gannon” geomagnetic storm of 10 −12 May 2024 was the first extreme storm of the solar cycle 25 and the largest storm in more than 20years. The auroral electrojet, driven by a strong negative interplanetary magnetic field exceeding −50nT, moved ...
E. Lawrence, C. D. Beggan, G. S. Richardson, S. Reay, V. Thompson, E. Clarke, L. Orr, J. Hübert, A. R. D Smedley   +8 more
doaj   +1 more source

The Dominant Role of the Electron Isotropy Boundary in Controlling Earth's Outer Radiation Belt Electron Lifetimes

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract Field‐line curvature scattering (FLCS) is believed to be the primary mechanism forming electron isotropy boundaries (IB) and can rapidly scatter relativistic electrons from the outer radiation belt. However, its direct and quantitative impact on controlling outer belt electron lifetimes has never been directly assessed.
Man Hua, Xiaofei Shi, Jacob Bortnik, Anton Artemyev, Vassilis Angelopoulos, Yoshizumi Miyoshi, Takefumi Mitani, James L. Burch, Takeshi Takashima, Tomoaki Hori, Ayako Matsuoka, Mariko Teramoto, Kazuhiro Yamamoto, Yoshiya Kasahara, Fuminori Tsuchiya, Atsushi Kumamoto, Atsuki Shinbori, Iku Shinohara   +17 more
wiley   +1 more source

First Observation of Banded Electron Cyclotron Harmonic Waves at Earth's Magnetopause

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract This letter presents the first observation of banded Electron Cyclotron Harmonic (ECH) waves by Magnetospheric Multiscale (MMS) satellites near the Earth's subsolar magnetopause. The observation shows the fundamental mode (n=1 $n=1$) and its higher harmonics (n=2 $n=2$–6), each with distinct lower and upper bands separated by a spectral gap at
Shubhangi Lagad, Amar Kakad, Bharati Kakad, Peter H. Yoon   +3 more
wiley   +1 more source

Artificial Intelligence for the Characterization of the 2024 May Superstorm: Active Region Classification, Flare Forecasting, and Geomagnetic Storm Prediction

The Astrophysical Journal
Space weather, driven by solar flares and coronal mass ejections, poses significant risks to technological systems. Accurately forecasting these events and their impact on Earth’s magnetosphere remains a challenge because of the complexity of solar ...
Sabrina Guastavino, Edoardo Legnaro, Anna Maria Massone, Michele Piana   +3 more
doaj   +1 more source

A hybrid statistical-machine learning framework for evaluating geomagnetic storm effects on MisrSat2 satellite power subsystems. [PDF]

Sci Rep
Mostafa MS, Ali MAB, Hesham N, Yassin YM, Ahmed A, Elfiky D.   +5 more
europepmc   +1 more source

The spatiotemporal development of the midlatitude troughs and subauroral ion drift during a geomagnetic storm observed by multiple DMSP satellites. [PDF]

Earth Planets Space
Cha H, Goldstein J, Kataria D, Nishimura Y, Ogasawara K.   +4 more
europepmc   +1 more source

Unprecedented extreme depletion of Earth's ionosphere during the May 2024 super geomagnetic storm revealed by the Chinese Meridian Project. [PDF]

Natl Sci Rev
Cao J.
europepmc   +1 more source