Results 91 to 100 of about 5,641 (197)
Earth, Planets and Space, 2020 Observations of the geomagnetic field taken at Earth’s surface and at satellite altitude are combined to construct continuous models of the geomagnetic field and its secular variation from 1957 to 2020.
I. Wardinski +6 more
doaj +1 more source
Real-time Magnetometer Disturbance Estimation via Online Nonlinear Programming
, 2019 Magnetometer is a significant sensor for integrated navigation. However, it suffers from many kinds of unknown dynamic magnetic disturbances. We study the problem of online estimating such disturbances via a nonlinear optimization aided by intermediate ...
Wu, Jin
core +1 more source
Ionospheric Characterization Using VLF Whistlers
Journal of Geophysical Research: Space Physics, Volume 131, Issue 3, March 2026.Abstract Broadband very low frequency (VLF, 3–30 kHz) energy emitted from lightning travels long distances in subionospheric propagation modes. Some of this energy couples into the ionosphere and travels to satellite altitudes along a predominantly field‐aligned path in what is known as a “whistler” propagation mode. Along this path, these VLF signals (
E. R. Worthington, M. B. Cohen
wiley +1 more source
Kobayashi-Hitchin correspondence for tame harmonic bundles II
, 2008 Let $X$ be a smooth projective complex variety with an ample line bundle $L$, and let $D$ be a simple normal crossing divisor. We establish the Kobayashi-Hitchin correspondence between tame harmonic bundles on $X-D$ and $\mu_L$-stable parabolic $\lambda$-
Mochizuki, Takuro
core +2 more sources
Intense Ground Magnetic Perturbations During the 2024 May and October Geomagnetic Storms
Journal of Geophysical Research: Space Physics, Volume 131, Issue 3, March 2026.Abstract The May and October 2024 geomagnetic storms represent two of the most intense space weather events of Solar Cycle 25. While differing in global intensity, both storms produced extreme ionospheric disturbances, including equatorward auroral expansion to mid‐latitudes and rapid geomagnetic variations (dH/dt $\text{dH}/\text{dt}$).
P. De Michelis +3 more
wiley +1 more source
Preliminary Report: DESiGN and Test Result of KSR-3 Rocket Magnetometers [PDF]
Journal of Astronomy and Space Sciences, 2000 The solar wind contributes to the formation of unique space environment called the Earth's magnetosphere by various interactions with the Earth's magnetic field.
Hyo-Min Kim +6 more
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Early Solar Wind and Dynamo Magnetic Field Topology Predictions for (16) Psyche and Other Asteroids
Journal of Geophysical Research: Planets, Volume 131, Issue 3, March 2026.Abstract Asteroid (16) Psyche is a metal‐rich body that might record an ancient coherent magnetization if some relict crust or mantle is preserved. Herein, we use magnetohydrodynamic simulations to predict (16) Psyche's field topology for several distinct pathways: (i) an early solar wind‐induced magnetization imparted after a larger body was impacted,
Atma Anand +3 more
wiley +1 more source
The use of geomagnetic field models in magnetic surveys [PDF]
The importance of global geomagnetic field models for the reduction of magnetic surveys is discussed. It is demonstrated that a numerical model with adequate secular variation correction, provides a suitable representation of the regional field.
Gain, J. C., Regan, R. D.
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In retrospect: Swarm, IGRF and other models, simple forecast assessments
, 2023 The 28th IUGG General Assembly (IUGG2023) (Berlin 2023)
Rother, Martin, Korte, Monika
openaire +2 more sources
Shannon information of the geomagnetic field for the past 7000 years [PDF]
Nonlinear Processes in Geophysics, 2010 The present behaviour of the geomagnetic field as expressed by the International Geomagnetic Reference Field (IGRF) deserves special attention when compared with that shown over the past few thousands of years by two paleomagnetic/archeomagnetic models ...
A. De Santis, E. Qamili
doaj