Results 61 to 70 of about 329,822 (248)

Wave‐Based Quantification of Ion Composition in the Earth's Magnetosphere‐Ionosphere‐Coupling Region

Geophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract Ion composition critically determines the basic kinetic characteristics of plasma and affects energy transmission of the magnetosphere. However, it exhibits significant variations with altitude, latitude, local time, longitude, and also with geomagnetic and solar activity.
Zhijie Qin, Hui Zhu, Zhihai Ouyang, Huicong Chen, Zhenghao She   +4 more
wiley   +1 more source

The 22-Year Hale Cycle in Cosmic Ray Flux – Evidence for Direct Heliospheric Modulation [PDF]

, 2014
The ability to predict times of greater galactic cosmic ray (GCR) fluxes is important for reducing the hazards caused by these particles to satellite communications, aviation, or astronauts.
Lockwood, M, Owens, MJ, Thomas, SR
core  

Long term time variability of cosmic rays and possible relevance to the development of life on Earth

, 2010
An analysis is made of the manner in which the cosmic ray intensity at Earth has varied over its existence and its possible relevance to both the origin and the evolution of life.
A. D. Erlykin, A. W. Wolfendale, AB Lu, AC Overholt, AD Erlykin, AD Erlykin, AD Erlykin, AD Erlykin, AV Gurevich, AV Gurevich, B Laken, BA Tinsley, BA Tinsley, CW Allen, DJ Hofman, DR Kniveton, E Palle Bago, EP Ney, F Arnold, Guy-Ho Lim, GV Starkov, H Svensmark, H Svensmark, H Svensmark, I Yu Stozhkov, IG Usoskin, IV Kudryavtsev, J Lastovicka, J Wdowczyk, JD Haigh, JL Bada, JR Dwyer, KM Creer, M Voiculescu, MG Looper, MI Pudovkin, MJ Rogers, N Marsh, NJ Shaviv, NJ Shaviv, OI Shumilov, P Tonev, PC Frisch, PIY Velinov, RH Saunders, SD Hunter, SL Miller, T Sloan, V Yukhimuk   +48 more
core   +1 more source

Imprint of the Quasi‐Biennial Oscillation on the Ionosphere and Thermosphere

Journal of Geophysical Research: Space Physics, Volume 131, Issue 4, April 2026.
Abstract The Quasi‐Biennial Oscillation (QBO) is a dominant mode of stratospheric variability and is known to modulate the variability of the ionosphere‐thermosphere (IT) system. However, the extent of its influence on the ionosphere‐thermosphere system remains uncertain due to weak signals and confounding with similar periodicities in solar flux.
D. Singh, L. P. Goncharenko, S. R. Zhang
wiley   +1 more source

Geomagnetic Field, Polarity Reversals [PDF]

, 2012
Bernard Brunhes (1906) was the first to measure magnetization directions in rocks that were approximately antiparallel to the present Earth’s field. Brunhes (1906) recorded magnetizations in baked sedimentary rocks that were aligned with reverse magnetization directions in overlying Miocene lavas from central France (Puy de Dome). In so doing, Brunhes (
openaire   +4 more sources

Indicators of mantle control on the geodynamo from observations and simulations

Frontiers in Earth Science, 2022
There has been longstanding controversy about whether the influence of lateral variations in core-mantle boundary heat flow can be detected in paleomagnetic records of geomagnetic field behavior. Their signature is commonly sought in globally distributed
Monika Korte, Catherine G. Constable, Christopher J. Davies, Sanja Panovska   +3 more
doaj   +1 more source

Robust Directional Analysis of Magnetic Microscopy Images Using Non‐Linear Inversion and Iterative Euler Deconvolution

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 4, -Not available-.
Abstract In paleomagnetism, bulk measurements of entire samples have traditionally been used to characterize remanent magnetization. While effective, this approach provides only a general directional estimate and cannot resolve spatial variability or magnetization at the grain scale.
Gelson F. Souza‐Junior, Leonardo Uieda, Ricardo I. F. Trindade, Roger R. Fu, Ualisson D. Bellon, Yago M. Castro   +5 more
wiley   +1 more source

Reversals and Large-Scale Variations of the Geomagnetic Field: Similarities and Differences

Russian Journal of Earth Sciences
It is shown that during reversals in geodynamo models the minimum amplitudes of the dipole, quadrupole and octupole coincide. Since the characteristic time of the reversal is close to the oscillations of the large-scale geomagnetic field, a similar ...
Reshetnyak Maxim
doaj   +1 more source

Searching for Carrington-like events and their signatures and triggers

Journal of Space Weather and Space Climate, 2016
The Carrington storm in 1859 is considered to be the major geomagnetic disturbance related to solar activity. In a recent paper, Cid et al. (2015) discovered a geomagnetic disturbance case with a profile extraordinarily similar to the disturbance of the ...
Saiz Elena, Guerrero Antonio, Cid Consuelo, Palacios Judith, Cerrato Yolanda   +4 more
doaj   +1 more source

A Gaussian Model for Simulated Geomagnetic Field Reversals

, 2015
Field reversals are the most spectacular changes in the geomagnetic field but remain little understood. Paleomagnetic data primarily constrain the reversal rate and provide few additional clues.
Meduri, Domenico, Wicht, Johannes
core   +1 more source