Results 61 to 70 of about 9,593 (201)

Ionospheric Scintillation Induced by Hot Flow Anomalies via Particle Precipitation

AGU Advances, Volume 7, Issue 7, October 2026.
Abstract Ionospheric scintillation disrupts trans‐ionospheric radio signals and represents significant challenges for critical communication and navigation systems. Here we document that hot flow anomalies (HFAs), transient disturbances formed near Earth's bow shock, can contribute to scintillation near the cusp.
Jia‐Chen Zhao, Qing‐He Zhang, Zhong‐Wei Yang, Duan Zhang, Kjellmar Oksavik, Bo‐Yi Wang, Yu‐Zhang Ma, Zan‐Yang Xing, Yong Wang, Ling‐Xin Zhao, Xiang‐Yu Wang, Jin Guo, Shi‐Mou Wang, Cai‐Jun Yan, Bian‐Long Zhao, Hong‐Kai Zhang, Chang‐Yue Zhao   +16 more
wiley   +1 more source

Global Three‐Dimensional Simulation of Magnetospheric Dynamics During the Extreme Geomagnetic Storm of 10–11 May 2024

Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract This study presents a high‐resolution three‐dimensional global magnetohydrodynamic (MHD) simulation of the historic geomagnetic storm of 10–11 May 2024, using observational data for the ACE solar wind input. This extreme event was characterized by intense solar wind dynamic pressure (∼50 nPa) and exceptionally strong interplanetary magnetic ...
Kyung Sun Park
wiley   +1 more source

Global MHD simulation of flux transfer events at the high-latitude magnetopause observed by the cluster spacecraft and the SuperDARN radar system [PDF]

, 2008
A global magnetohydrodynamic numerical simulation is used to study the large-scale structure and formation location of flux transfer events (FTEs) in synergy with in situ spacecraft and ground-based observations. During the main period of interest on the
Daly, P. W., Fazakerley, A. N., Lester, M., Daum, Patrick, Penz, T., Reme, H., Wild, James A., Woodfield, E. E.   +7 more
core   +3 more sources

Current Sheet Geometry and Heavy Ion Influence on Reconnection

Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract In some planetary magnetospheres singly ionized heavy ion species can be found in addition to the typical hydrogen. The presence of these ions can affect many magnetospheric processes. The role heavy ions, specifically oxygen, and the thickness of the current sheet play in magnetic reconnection is investigated using particle‐in‐cell ...
Cristian R. Radulescu, Daniel Verscharen, Yuto Katoh, Yohei Kawazura, Seiji Zenitani, Andrew J. Coates, Yasumasa Kasaba   +6 more
wiley   +1 more source

Statistical Mapping of ULF Wave Power in the Vicinity of Earth's Bow Shock Using Cluster Magnetic Field Data

Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract Ultra‐low frequency (ULF) waves with frequencies 10–140 s are a characteristic feature of the foreshock, playing important roles in transient formation, shock reformation, and particle acceleration. We utilize 23 years of Cluster data to map ULF wave power and compressibility in the vicinity of Earth's bow shock, combining Cluster data with ...
R. L. Atkinson, H. Hietala, T. Karlsson, D. Manzini, D. Burgess   +4 more
wiley   +1 more source

Spatial Relationship Between the Midlatitude Ionospheric Trough and Plasmaspheric Plumes

Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract The plasmasphere, a subsystem of the complex geospace environment, is a torus of cold plasma “frozen” into Earth's magnetic field and sourced from the ionosphere. Plasmaspheric plumes–drainage channels formed during geospace storms–have primarily been observed near the equator.
Balázs Heilig, Lilla Murár‐Juhász, Máté Tomasik   +2 more
wiley   +1 more source

Convection Velocity Covariance Estimated From SuperDARN Observations

Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract An examination of the spatial covariance of the high‐latitude plasma convection velocity is presented. The covariance was calculated from patterns of plasma convection estimated from Super Dual Auroral Radar Network observations. The convection patterns were calculated on a magnetic latitude—magnetic local time grid from 55° ${}^{\circ}$ to 88.
W. A. Bristow, M. F. Wilcox
wiley   +1 more source

A Time‐Continuous Model of the 3D Ionospheric Current System and Associated Magnetic Fields in the Diurnal Variation Band

Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract Ionospheric currents and their associated magnetic perturbations are difficult to predict due to the high variability of their driving mechanisms. In addition, the 3D structure of the currents is challenging to unravel due to the lack of direct observations within the current flow region, particularly in the E $E$‐layer.
P. Alken, G. D. Egbert, A. Maute, A. D. Richmond, G. Lu, K. Pham, M. Fillion   +6 more
wiley   +1 more source

MP‐DualNet: A Dual‐Branch Deep Learning Approach for Magnetopause Boundary Detection Using Simulated SXI Images

Space Weather, Volume 24, Issue 10, October 2026.
Abstract The Earth's magnetopause is a key boundary governing solar wind–magnetosphere coupling. The Solar wind Magnetosphere Ionosphere Link Explorer (SMILE) mission will provide global soft X‐ray imaging of the magnetosphere through solar wind charge exchange (SWCX) emission, offering a new opportunity for remote sensing of magnetopause dynamics ...
Cheng Zhong, Zhongwei Yang, Tianran Sun, Chengyan Huang, Jiajia Liu, Jingnan Guo, Yuming Wang, Chi Wang   +7 more
wiley   +1 more source

Solar wind-magnetosphere-ionosphere interactions in the earth's plasma environment [PDF]

, 2003
The properties of the Earth’s coupled magnetosphere-ionosphere system are dominated by its interaction with the solar wind plasma, mediated by magnetic reconnection processes at the magnetopause interface.
McWilliams, K. A., Davies, J. A., Sandholt, P. E., Cowley, S. W. H., Milan, S. E., Provan, G., Lester, M., Wild, J. A., Khan, H., Yeoman, T. K., Grocott, A.   +10 more
core   +3 more sources