Results 1 to 10 of about 2,634 (220)
Nowcasting geoelectric fields in Ireland using magnetotelluric transfer functions
Journal of Space Weather and Space Climate, 2023 Geomagnetically induced currents (GIC) driven by geoelectric fields pose a hazard to ground-based infrastructure, such as power grids and pipelines. Here, a new method is presented for modelling geoelectric fields in near real time, to provide valuable ...
Malone-Leigh John +5 more
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Geoelectric field response characteristics analysis of floor roadway surrounding rock fracture caused due to coal seam mining [PDF]
Scientific Reports, 2021 The fracture of rocks surrounding the floor roadway during the mining of the working face of a coal mine is a complicated spatiotemporal process due to the superimposed action of multiple stress fields on the surrounding rock mass.
Yuanchao Ou +9 more
doaj +2 more sources
Geoelectric fields and geomagnetically induced currents during the April 23–24, 2023 geomagnetic storm [PDF]
Scientific ReportsWe present a study on the dynamical variations of geoelectric fields E during the intense geomagnetic storm of April 23–24, 2023. The storm is caused by the interplanetary counterpart of a coronal mass ejection erupted from the Sun in association with an
Anna Wawrzaszek +5 more
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Modelling geomagnetically induced currents in midlatitude Central Europe using a thin-sheet approach [PDF]
Annales Geophysicae, 2017 Geomagnetically induced currents (GICs) in power systems, which can lead to transformer damage over the short and the long term, are a result of space weather events and geomagnetic variations.
R. L. Bailey +8 more
doaj +5 more sources
Geolectric field measurement, modelling and validation during geomagnetic storms in the UK
Journal of Space Weather and Space Climate, 2021 Significant geoelectric fields are produced by the interaction of rapidly varying magnetic fields with the conductive Earth, particularly during intense geomagnetic activity.
Beggan Ciarán D. +4 more
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Space Weather, 2022 Intense geoelectric fields during geomagnetic storms drive geomagnetically induced currents in power grids and other infrastructure, yet there are limited direct measurements of these storm‐time geoelectric fields.
Xueling Shi +6 more
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Alexandria Engineering Journal, 2023 The geoelectric fields induced during geomagnetic disturbances (GMD) may affect the normal operation of technological systems at the Earth’s surface. The non-uniform Earth conductivity structure, especially large lateral conductivity contrasts, can lead ...
Xuan Wang, Shuming Zhang
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Geoelectric monitoring at the Boulder magnetic observatory [PDF]
Geoscientific Instrumentation, Methods and Data Systems, 2017 Despite its importance to a range of applied and fundamental studies, and obvious parallels to a robust network of magnetic-field observatories, long-term geoelectric field monitoring is rarely performed.
C. C. Blum +5 more
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Earth and Space Science, 2021 An analysis is made of Earth‐surface geoelectric fields and voltages on electricity transmission power‐grids induced by a late‐phase E3 nuclear electromagnetic pulse (EMP). A hypothetical scenario is considered of an explosion of several hundred kilotons
Jeffrey J. Love +5 more
doaj +1 more source
Space Weather, 2023 High temporal and high spatial resolution geoelectric field models of two Mäntsälä, Finnish pipeline geomagnetically induced current (GIC) intervals that occurred within the 7–8 September 2017 geomagnetic storm have been made.
Anna Wawrzaszek +4 more
doaj +1 more source