Results 1 to 10 of about 124 (105)
Intradecadal variations in length of day and their correspondence with geomagnetic jerks [PDF]
Nature Communications, 2020 Earth rotation variation reflects the physics, dynamics and the magnetic field changes of Earth’s interior. The authors find a significant ~8.6 year periodic increasing oscillation in length of day and its good link to geomagnetic jerks related to Earth ...
Pengshuo Duan, Chengli Huang
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Towards Understanding the Interconnection between Celestial Pole Motion and Earth’s Magnetic Field Using Space Geodetic Techniques [PDF]
Sensors, 2021 The understanding of forced temporal variations in celestial pole motion (CPM) could bring us significantly closer to meeting the accuracy goals pursued by the Global Geodetic Observing System (GGOS) of the International Association of Geodesy (IAG), i.e.
Sadegh Modiri +7 more
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MECHANISM OF GEOMAGNETIC JERKS [PDF]
Vestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2017 Mechanism of geomagnetic jerks evident from the model of the hot Earth magnetic field is discussed here. Similar in their principle, reversals, excursions and jerks result from auto adjusting of temperature of the phase change (PC) “evaporation ...
V.V. Kuznetsov
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Analysis of geomagnetic observatory data and detection of geomagnetic jerks with the MOSFiT software package [PDF]
Geoscientific Instrumentation, Methods and Data Systems, 2023 MOSFiT (Magnetic Observatories and Stations Filtering Tool) is a Python package to visualize and filter data from magnetic observatories and magnetometer stations.
M. V. da Silva +4 more
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Geomagnetic jerks and seismic activity
Annals of Geophysics, 1996 By means of a Monte Carlo simulation, we explored the extent to which large earthquakes may induce fluctuations on the secular variation of the Earth's magnetic field.
W. Marzocchi +4 more
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IGRF-14 secular variation prediction from core surface flow acceleration [PDF]
Earth, Planets and SpaceThe International Geomagnetic Reference Field (IGRF) has been regularly updated since its inception in 1965. Every recent iteration contains an estimate of the geomagnetic secular variation (SV), for the intermediate years between iterations. We submit a
Frederik Dahl Madsen +5 more
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Geomagnetic jerks in the polar regions
Geophysical Research Letters, 2009 The occurrence of geomagnetic jerks over the Arctic and Antarctic regions is here investigated. Maps of geomagnetic secular acceleration over the polar regions are produced from the CM4 and CHAOS models and the occurrence of geomagnetic jerks is associated with jumps in secular acceleration.
Roberta Tozzi
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Geomagnetic jerks characterization via spectral analysis [PDF]
Solid Earth, 2012 In this study we have applied spectral techniques to analyze geomagnetic field time-series provided by observatories, and compared the results with those obtained from analogous analyses of synthetic data estimated from models. Then, an algorithm is here
B. Duka +4 more
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Evidence for a geomagnetic jerk in 1990 across Europe
Annals of Geophysics, 1995 The analysis of geomagnetic data from magnetic observatories demonstrated the existence of very rapid changes, or jerks, in the secular variation, especially the occurrence of the well known geomagnetic jerks of 1969 and 1978.
A. Meloni, L. Cafarella
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A taxonomy of simulated geomagnetic jerks [PDF]
Geophysical Journal International, 2022 Geomagnetic jerks - abrupt changes in the acceleration of Earth’s magnetic field that punctuate geomagnetic records - have been richly documented over the past decades by taking advantage of the complementary strengths of ground observatory and satellite measurements. It has recently been proposed that these events originate from the interplay and time
Aubert, Julien +4 more
openaire +6 more sources