Results 81 to 90 of about 2,618 (179)

Geoelectric Field Caused by Flux Transfer Events in an Ionosphere‐Coupled Vlasiator Simulation

Journal of Geophysical Research: Space Physics, Volume 131, Issue 6, June 2026.
Abstract We report on the relationship between flux transfer events (FTEs) at Earth's magnetopause and the geoelectric field that is induced near the FTEs' magnetic footpoints. We study this system using the global hybrid‐Vlasov code Vlasiator, which has recently been extended to model ionospheric physics.
K. Horaites, M. Alho, Y. Pfau‐Kempf, U. Ganse, A. Workayehu, J. Suni, F. Tesema, L. Juusola, G. Cozzani, S. Hoilijoki, I. Zaitsev, S. Kavosi, M. Palmroth   +12 more
wiley   +1 more source

Geomagnetic activity affects animal myocardial ischemia/reperfusion injury: an experimental-simulated study. [PDF]

Int J Biometeorol
Chang W, Chen X, Yang Y, Deng Y, Dong L, Wu H.   +5 more
europepmc   +1 more source

Long‐Term Trends in the Calibration of the Cluster Fluxgate Magnetometer Instruments

Journal of Geophysical Research: Space Physics, Volume 131, Issue 6, June 2026.
Abstract The calibration parameters of the Cluster mission's fluxgate magnetometer instruments have been determined and updated on a per‐orbit basis throughout the 24 years of the mission. Since there is no absolute field reference for vector measurements in‐flight, various spacecraft‐to‐spacecraft and instrument‐to‐instrument comparisons have been ...
L.‐N. Alconcel, P. Brown, T. Oddy, C. M. Carr   +3 more
wiley   +1 more source

The Behavior of VLF/LF Variations Associated with Geomagnetic Activity, Earthquakes, and the Quiet Condition Using a Neural Network Approach. [PDF]

Entropy (Basel), 2018
Popova I, Rozhnoi A, Solovieva M, Chebrov D, Hayakawa M.   +4 more
europepmc   +1 more source

Drivers of F‐Region Ionosphere Tidal Variability Caused by the Madden Julian Oscillation: Separating E‐Region Dynamo and Field‐Aligned Wind Effects

Journal of Geophysical Research: Space Physics, Volume 131, Issue 6, June 2026.
Abstract The Madden–Julian Oscillation (MJO), a recurring intraseasonal (30–96 days) disturbance in the troposphere, strongly influences the E‐region and F‐region ionosphere through its modulation of atmospheric tides. Among these, the diurnal eastward wave number 3 (DE3) tide, driven by MJO‐modulated latent heating, carries MJO signals upward into the
Deepali Aggarwal, Jens Oberheide, B. C. Martinez, Xian Lu, Sunil Kumar   +4 more
wiley   +1 more source

Ionospheric Vertical Plasma Drifts Over South America: Long‐Term Multi‐Instrument Observations and TIEGCM and WACCM‐X Evaluations

Journal of Geophysical Research: Space Physics, Volume 131, Issue 6, June 2026.
Abstract We present the first comprehensive multi‐instrument climatological study of quiet‐time equatorial F‐region vertical plasma drifts across South America, a region where the magnetic declination angle varies significantly. Our analysis of well‐established long‐term ground‐based data sets from the Jicamarca incoherent scatter radar spanning 1968 ...
Sophia R. Laranja, Bela G. Fejer, Clezio M. Denardini, Ludger Scherliess, Laysa C. A. Resende, Sony S. Chen, Giorgio A. S. Picanço   +6 more
wiley   +1 more source

The Challenge Posed by Geomagnetic Activity to Electric Power Reliability: Evidence From England and Wales. [PDF]

Space Weather, 2017
Forbes KF, St Cyr OC.
europepmc   +1 more source

Ion Anisotropy in Earth's Magnetotail: Importance of High‐Energy Ions

Journal of Geophysical Research: Space Physics, Volume 131, Issue 6, June 2026.
Abstract The reconfiguration of the magnetotail current sheet during substorms often includes the formation of a thin current sheet (TCS) with a strong magnetic field line tension force. This force cannot be balanced by isotropic plasma pressure gradients, and force balance in such a TCS requires ion anisotropy and/or agyrotropy of plasma pressure.
Xiaofei Shi, Vassilis Angelopoulos, Louis Richard, Anton Artemyev   +3 more
wiley   +1 more source

Synchronization of Human Autonomic Nervous System Rhythms with Geomagnetic Activity in Human Subjects. [PDF]

Int J Environ Res Public Health, 2017
McCraty R, Atkinson M, Stolc V, Alabdulgader AA, Vainoras A, Ragulskis M.   +5 more
europepmc   +1 more source

Magnetotail Source of Premidnight Upward Field‐Aligned Currents: Nature of the Substorm Current System

Journal of Geophysical Research: Space Physics, Volume 131, Issue 6, June 2026.
Abstract The substorm current wedge constitutes the backbone of the substorm current system. Its field‐aligned current components include an upward current in the premidnight sector and a downward current in the midnight‐morning sector, which connect the auroral ionosphere to the magnetotail.
Tsugunobu Nagai, Iku Shinohara
wiley   +1 more source