Results 191 to 200 of about 66,786 (325)

Global MHD Simulations: Magnetosphere–Ionosphere Coupling Dependence on Conductance Model

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract Eighty‐five geomagnetic storms were simulated with the space weather modeling framework Geospace model using two different ionospheric conductance models. One set used the legacy conductances within the Ridley ionosphere model, while the other set used the newly developed conductance model for extreme events conductance model.
T. I. Pulkkinen   +9 more
wiley   +1 more source

Secular Variation of the Intensity of the Geomagnetic Field in Mexico During the First Millennium BCE [PDF]

open access: bronze, 2019
Gwenaël Hervé   +6 more
openalex   +1 more source

Evaluating Multipoint Sampling of Global‐Scale High‐Latitude Electrodynamics by the Geospace Dynamics Constellation

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract The Geospace Dynamics Constellation (GDC) mission aims to investigate the dynamic coupling between the magnetosphere, ionosphere, and thermosphere by resolving key spatiotemporal processes at scales ranging from local to global. A key aspect is GDC's ability to reconstruct hemispheric‐scale high‐latitude electrodynamics with comprehensive ...
J. S. Shim   +6 more
wiley   +1 more source

Geophysical insights from the first geomagnetic field absolute intensity curve for central Asia (2200BCE-2000CE), and implications for archaeomagnetic dating. [PDF]

open access: yesSci Rep
Bonilla-Alba R   +8 more
europepmc   +1 more source

Derivation of Ambient Electron Density Using Spacecraft Potential Measurements From the MMS and Van Allen Satellites: Application to the Plasmasphere

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract We investigate the empirical relationship between the spacecraft potential (Vs) measured by the Electric Field Double Probes, and the electron density (Ne) measured by the Fast Plasma Instrument on the MMS spacecraft. We derive their relationship during fast‐mode intervals when the Active Spacecraft Potential Control Devices are off.
H. Laakso   +4 more
wiley   +1 more source

Regional geomagnetic field modelling method based on a two-stage adaptive weight physics-informed neural network

open access: gold
Bo Zhu   +7 more
openalex   +1 more source

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