Results 1 to 10 of about 40,273 (183)

A Gaussian Model for Simulated Geomagnetic Field Reversals [PDF]

open access: yesPhysics of the Earth and Planetary Interiors, 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   +4 more sources

The CHAOS-4 geomagnetic field model [PDF]

open access: yesGeophysical Journal International, 2013
We present CHAOS-4, a new version in the CHAOS model series, which aims to describe the Earth's magnetic field with high spatial and temporal resolution. Terms up to spherical degree of at least n = 85 for the lithospheric field, and up to n = 16 for the time-varying core field are robustly determined.More than 14 yr of data from the satellites Ørsted,
Finlay, Chris   +6 more
core   +7 more sources

High-Precision Aeromagnetic Compensation Method Under the Influence of the Geomagnetic Field [PDF]

open access: yesSensors
Aeromagnetic surveys play an important role in geophysical exploration and many other fields. In many applications, magnetometers are installed aboard an aircraft to survey large areas.
You Li, Guochao Wang, Qi Han, Qiong Li
doaj   +2 more sources

Astudy and Analysis of Geomagnetic Field By using Model of International Geomagnetic Reference Field (IGRF- 2000)

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2017
The IGRF model is the empirical representation of the Earth magnetic field recommended for scientific use by the International Association of Geomagnetism and Aeronomy(IAGA).
H. A A I- Mahdi
doaj   +1 more source

Geomagnetic field shielding over the last one hundred thousand years

open access: yesJournal of Space Weather and Space Climate, 2022
The geomagnetic field prevents energetic particles, such as galactic cosmic rays, from directly interacting with the Earth’s atmosphere. The geomagnetic field is not static but constantly changing, and over the last 100,000 years, several geomagnetic ...
Gao Jiawei   +4 more
doaj   +1 more source

Domino model for geomagnetic field reversals [PDF]

open access: yesPhysical Review E, 2013
accepted for Physical Review E, 18 December ...
Mori, N.   +6 more
openaire   +3 more sources

Regularized geomagnetic field modelling using monopoles [PDF]

open access: yesGeophysical Journal International, 1994
SUMMARY There are many techniques for modelling the geomagnetic field, any one of which may be suitable for a particular application depending on its associated modelling goals. Each method combines a choice of functions and an approach to fitting data so that, in general, it is best suited to a particular type of field modelling, e.g.
Michael S. O'Brien, Robert L. Parker
openaire   +1 more source

Multiscale variation model and activity level estimation algorithm of the Earth's magnetic field based on wavelet packets [PDF]

open access: yesAnnales Geophysicae, 2018
We suggest a wavelet-based multiscale mathematical model of geomagnetic field variations. The model is particularly capable of reflecting the characteristic variation and local perturbations in the geomagnetic field during the periods of increased ...
O. V. Mandrikova   +7 more
doaj   +1 more source

Regional geomagnetic core field and secular variation model over the Iberian Peninsula from 2014 to 2020 based on the R-SCHA technique

open access: yesEarth, Planets and Space, 2023
The Earth’s magnetic field originated in the fluid core, the so-called core field, is the dominant contribution to the geomagnetic field. Since ancient times, the core geomagnetic field has been used primarily for geographical orientation and navigation ...
Marina Puente-Borque   +4 more
doaj   +1 more source

Effects of the Laschamps Excursion on Geomagnetic Cutoff Rigidities

open access: yesGeochemistry, Geophysics, Geosystems, 2022
Today's geomagnetic field can prevent energetic particles, including solar energetic particles and galactic cosmic rays, from directly hitting the Earth's atmosphere.
Jiawei Gao   +4 more
doaj   +1 more source

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