Results 91 to 100 of about 11,735 (263)

Post‐Processing Probabilistic Forecasts of the Solar Wind by Data Mining Similar Scenarios

Space Weather, Volume 24, Issue 4, April 2026.
Abstract The solar wind speed at Earth is one of the most important parameters regarding the effects of space weather on society. Thus far, most approaches for predicting the solar wind speed produce a single‐value time series without uncertainty, or utilize ensemble methods which require custom calibration development.
Daniel E. da Silva, Yash Parlikar, Shaela I. Jones, Charles N. Arge   +3 more
wiley   +1 more source

Centre-to-limb spectro-polarimetric diagnostics of simulated solar photospheric magneto-convection: signatures of photospheric Alfven waves [PDF]

, 2014
Using numerical simulations of the magnetised solar photosphere carried out with the radiative magneto-hydrodynamic code, MURaM, and detailed spectro-polarimetric diagnostics of the simulated photospheric 6302A FeI line, spectro-polarimetric signatures ...
Przybylski, D., Shelyag, S.
core   +2 more sources

Magnetic Reconnection as a Potential Trigger for Magnetotail Flapping at Mars: Insights From MAVEN and Tianwen‐1 Observations

AGU Advances, Volume 7, Issue 2, April 2026.
Abstract Magnetotail current sheet (CS) flapping is a universal plasma phenomenon observed at multiple planets, yet its triggering mechanisms remain poorly understood outside of Earth. At Mars, single‐spacecraft observations have also reported tail flapping, but the processes responsible for its onset have never been identified.
Yuanzheng Wen, Jasper S. Halekas, Han‐Wen Shen, Chi Zhang, Robert J. Lillis, Jiawei Gao, Norberto Romanelli, Long Cheng, Chuanfei Dong, Yingjuan Ma, Yaxue Dong, Shaosui Xu, David A. Brain, Junfeng Qin, Jared R. Espley, David L. Mitchell, Christian Mazelle, James P. McFadden, Shannon M. Curry   +18 more
wiley   +1 more source

Generation of Alfven Waves by Magnetic Reconnection

, 2010
In this paper, results of 2.5-dimensional magnetohydrodynamical simulations are reported for the magnetic reconnection of non-perfectly antiparallel magnetic fields.
Kigure, Hiromitsu, Nozawa, Satoshi, Shibata, Kazunari, Takahashi, Kunio, Yokoyama, Takaaki   +4 more
core   +1 more source

Superposed Epoch Analysis of Extreme Geomagnetic Disturbances at Auroral Zone Latitudes Over a Solar Cycle

Journal of Geophysical Research: Space Physics, Volume 131, Issue 4, April 2026.
Abstract Intense and rapidly changing electrical currents in near‐Earth space produce geomagnetic disturbances (GMDs) with large magnetic field rates of change (dB/dt) and in turn large geomagnetically induced currents (GICs) in nearby power lines and pipelines. This study builds on the work of Engebretson, Yang, et al.
Mark J. Engebretson, Giulia F. Mazza, Erik S. Steinmetz, Vyacheslav A. Pilipenko, Mark B. Moldwin, Martin G. Connors, Shin‐ichi Ohtani, Jesper W. Gjerloev   +7 more
wiley   +1 more source

How Well Can Solar Wind Parameters Predict Outer Radiation Belt Electron Flux?

Space Weather, Volume 24, Issue 4, April 2026.
Abstract The electron flux in the outer radiation belt is primarily governed by interactions between the solar wind and magnetosphere. While geomagnetic indices are widely used for modeling and forecasting, their real‐time availability is limited. In contrast, solar wind parameters can be continuously monitored by a single satellite at the L1 ${L}_{1}$
Yutong Li, Mengli Tan, Xin Tao
wiley   +1 more source

Finding Local Parallel Electric Fields in Magnetotail Reconnection Using a Two‐Spacecraft Method

Geophysical Research Letters, Volume 53, Issue 6, 28 March 2026.
Abstract We investigate the use of a novel two‐spacecraft Liouville‐mapping method using data from the Magnetospheric Multiscale mission to determine local magnetic‐field‐aligned (parallel) electric fields in the Earth's magnetotail. The method detects the presence of local acceleration potentials by mapping phase‐space density between electron ...
J. D. White, Yu. V. Khotyaintsev, C. Norgren, D. B. Graham, L. Richard   +4 more
wiley   +1 more source

Global Impacts of Ultra‐Low‐Frequency Waves: 1. Thermospheric Responses and Traveling Atmospheric Disturbances

Geophysical Research Letters, Volume 53, Issue 6, 28 March 2026.
Abstract Ultra‐low‐frequency (ULF) waves cause local Thermosphere‐Ionosphere (T‐I) perturbations, but their impacts on the global T‐I system including the generation of Traveling Atmospheric Disturbances (TADs) have never been evaluated. The mechanisms responsible for the TAD generation and propagation, whether through dynamic or thermal process, are ...
Haonan Wu, Wenbin Wang, Xueling Shi, Dong Lin, Michael D. Hartinger, Joseph B. H. Baker, Shibaji Chakraborty   +6 more
wiley   +1 more source

Europa is Embedded in Non‐Maxwellian, Anisotropic Electron Distributions

Geophysical Research Letters, Volume 53, Issue 6, 28 March 2026.
Abstract In September 2022, the Juno spacecraft flew by Europa, providing new insight into the electron pitch angle and energy distributions via the Jovian Auroral Distributions Experiment electron analyzers (JADE‐E). We fit these observations with two anisotropic kappa distributions (cold and hot), accounting for spacecraft potential, which we find to
S. P. Ellis, J. R. Szalay, G. Livadiotis, S. R. Carberry Mogan, F. Allegrini, R. W. Ebert, M. Horányi, D. J. McComas, T. Oberg, Y. Sarkango, A. H. Sulaiman   +10 more
wiley   +1 more source

Short‐Term Variability of Jupiter's Satellite Footprints as Spotted by JWST

Geophysical Research Letters, Volume 53, Issue 5, 16 March 2026.
Abstract We present the main Alfvén wing (MAW) spots of Io and Europa as observed by the Near‐Infrared Spectrograph onboard the James Webb Space Telescope. These auroral footprint features have been measured previously, but only in emission. Here, the derived ionospheric H3+ ${\mathrm{H}}_{3}^{+}$ emission, temperature and column density are reported ...
Katie L. Knowles, H. Melin, T. S. Stallard, L. Moore, J. O’Donoghue, C. Schmidt, J. R. Szalay, P. I. Tiranti, K. Roberts, R. E. Johnson, E. M. Thomas   +10 more
wiley   +1 more source