Results 41 to 50 of about 5,641 (197)

The Mag.num core field model as a parent for IGRF-13, and the recent evolution of the South Atlantic Anomaly

Earth, Planets and Space, 2021
We present the GFZ candidate field models for the $$13{\mathrm{th}}$$ 13 th  Generation International Geomagnetic Reference Field (IGRF-13). These candidates were derived from the Mag.num.IGRF13 geomagnetic core field model, which is constrained by Swarm
M. Rother, M. Korte, A. Morschhauser, F. Vervelidou, J. Matzka, C. Stolle   +5 more
doaj   +1 more source

The International Geomagnetic Reference Field (IGRF) generation 12: BGS candidates and final models [PDF]

, 2015
The International Geomagnetic Reference Field (IGRF) model is a reference main field magnetic model updated on a quinquennial basis. The latest revision (generation 12) was released in January 2015.
Beggan, Ciaran D., Hamilton, Brian, Macmillan, Susan, Taylor, Victoria, Thomson, Alan   +4 more
core  

Radial distribution of the inner magnetosphere plasma pressure using low-altitude satellite data during geomagnetic storm: the March 1-8, 1982 Event

, 2007
Plasma pressure distribution in the inner magnetosphere is one of the key parameters for understanding the main magnetospheric processes including geomagnetic storms and substorms.
Antonova, Antonova, Antonova, Antonova, Antonova, Borovsky, Bosqued, Daglis, DeMichelis, Dessler, E.E. Antonova, Iyemori, J.M. Bosqued, Kozelova, Liemohn, Lui, Lui, Lui, Lyons, Lyons, M. Stepanova, McPherron, Newell, Newell, Parker, Pulkkinen, Sckopke, Stepanova, Stepanova, Stepanova, Sugiura, Tsyganenko, Tsyganenko, Tsyganenko, Tverskaya, Tverskaya, Tverskoy, Williams, Wing, Wing, Zaharia, Zaharia   +41 more
core   +1 more source

Drivers of Mid‐Latitude Quiet‐Time Longitude Variations in Ionospheric Density

Journal of Geophysical Research: Space Physics, Volume 131, Issue 5, May 2026.
Abstract The aim of this study is to provide an observational benchmark of mid‐latitude quiet‐time variability in winds, O/N2, and TEC across longitude and local time to provide a foundation for future model–data comparison studies. The quiet‐time ionospheric structure is not uniform but rather exhibits pronounced longitudinal and local‐time ...
K. R. Greer, L. P. Goncharenko, V. L. Harvey, C. Cullens   +3 more
wiley   +1 more source

WACCM‐X Simulation of the Atmosphere From 1950 Through 2024 at an Hourly Resolution

Journal of Geophysical Research: Space Physics, Volume 131, Issue 5, -Not available-.
Abstract Modeling of the upper atmosphere, namely the thermosphere and ionosphere, is becoming important for applications such as orbital propagation (including satellite collision avoidance), radio propagation for communications, radar and position, navigation and timing.
M. K. Brown, S. Elvidge, O. Allanson, D. R. Themens   +3 more
wiley   +1 more source

Evaluation of candidate geomagnetic field models for IGRF-11 [PDF]

Earth, Planets and Space, 2010
The eleventh generation of the International Geomagnetic Reference Field (IGRF) was agreed in December 2009 by a task force appointed by the International Association of Geomagnetism and Aeronomy (IAGA) Division V Working Group V-MOD. New spherical harmonic main field models for epochs 2005.0 (DGRF-2005) and 2010.0 (IGRF-2010), and predictive linear ...
Finlay, C. C., Maus, S., Beggan, C. D., Hamoudi, M., Lowes, F. J., Olsen, N., Thébault, E.   +6 more
openaire   +5 more sources

The Distribution of Geomagnetic Field Components on the Southern Part of the Korean Peninsula for Epoch 2010.0

Data Science Journal, 2011
NGII(National Geography Information Institute) of Korea consigned KIGAM(Korea Institute of Geoscience & Mineral Resources) to do absolute geomagnetic measurements on 32 geomagnetic repeat stations evenly distributed on the southern part of Korean ...
Mutaek Lim, Jiyoung Moon, Yeongsue Park, Younghong Shin, Hyoungrae Rim   +4 more
doaj   +1 more source

Simulation of Ultra-High Energy Photon Propagation in the Geomagnetic Field

, 2003
The identification of primary photons or specifying stringent limits on the photon flux is of major importance for understanding the origin of ultra-high energy (UHE) cosmic rays.
B. Wilczyńska, Bednarek, Bednarek, Bertou, Bhattacharjee, Blümer, Borsellino, D. Góra, D. Heck, Daugherty, Engel, Erber, Fletcher, H. Klages, H. Wilczyński, Heck, Heck, Hillas, J. Pȩkala, Kalmykov, Kobal, Landau, Linsley, M. Risse, McBreen, Migdal, P. Homola, Risse, Sokolov, Stanev, Sterns, Tsyganenko, Vankov, Watson   +33 more
core   +1 more source

A Hierarchical Bayesian Model for the Global Holocene Geomagnetic Field

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 5, May 2026.
Abstract We present a hierarchical Bayesian model of the global geomagnetic field for the last 8,000 years. The model is built solely with thermoremanent records, which include archeomagnetic and volcanic data. Building upon previous work, this model includes fewer approximations and treats model hyperparameters as probabilistic variables.
M. A. Schanner, S. Panovska, M. Korte
wiley   +1 more source

Report on the magnetic survey in Slovakia for the 2014.5 epoch

Contributions to Geophysics and Geodesy, 2016
The models of the distribution of the elements of the geomagnetic field must be updated regularly. For this purpose geomagnetic measurements have to be carried out repeatedly at geomagnetic observatories as well as at temporary observation points.
Fridrich VALACH, Magdaléna VÁCZYOVÁ, Tomáš ŠOLTIS, Melinda VAJKAI   +3 more
doaj   +1 more source