The role of global/regional earth conductivity models in natural geomagnetic hazard mitigation

A Kelbert - Surveys in Geophysics, 2020 - Springer
Geomagnetic disturbances cause perturbations in the Earth's magnetic field which, by the
principle of electromagnetic induction, in turn cause electric currents to flow in the Earth …

A review of geomagnetically induced current effects on electrical power system: Principles and theory

ZMK Abda, NF Ab Aziz, MZA Ab Kadir… - IEEE Access, 2020 - ieeexplore.ieee.org
Geomagnetically induced current (GIC) has been a significant concern for the electrical
power grid in high latitudes for decades. Its origin starts in the Sun; during extreme space …

Intensity and impact of the New York Railroad superstorm of May 1921

JJ Love, H Hayakawa, EW Cliver - Space Weather, 2019 - Wiley Online Library
Abstract Analysis is made of low‐latitude ground‐based magnetometer data recording the
magnetic superstorm of May 1921. By inference, the storm was driven by a series of …

Toward more accurate GIC estimations in the Portuguese power network

J Alves Ribeiro, FJG Pinheiro, MA Pais… - Space …, 2023 - Wiley Online Library
New geomagnetically induced current (GIC) computations for mainland Portugal include the
entire power network, with network parameters and topology provided by the transmission …

First Estimations of Geomagnetically Induced Currents in the South of Portugal.

JA Ribeiro, FJG Pinheiro, MA Pais - Space Weather, 2021 - go.gale.com
Geomagnetic storms induce electric fields in the conducting Earth, which are the source of
geomagnetically induced currents (GICs) in grounded power lines. In this study, we compute …

Geolectric field measurement, modelling and validation during geomagnetic storms in the UK

CD Beggan, GS Richardson, O Baillie… - Journal of space …, 2021 - swsc-journal.org
Significant geoelectric fields are produced by the interaction of rapidly varying magnetic
fields with the conductive Earth, particularly during intense geomagnetic activity. Though …

Estimating the geoelectric field and electric power transmission line voltage during a geomagnetic storm in Alberta, Canada using measured magnetotelluric …

D Cordell, MJ Unsworth, B Lee, C Hanneson… - Space …, 2021 - Wiley Online Library
Estimating the effect of geomagnetic disturbances on power grid infrastructure is an
important problem since they can induce damaging currents in electric power transmission …

Global TEC map fusion through a hybrid deep learning model: RFGAN

Z Chen, K Zhou, H Li, J Wang, Z Ouyang… - Space …, 2023 - Wiley Online Library
Timely, reliable and comprehensive global observation information is essential for space
weather research. However, limited observation technology hinders the consecutive global …

Magnetotelluric sampling and geoelectric hazard estimation: Are national‐scale surveys sufficient?

BS Murphy, GM Lucas, JJ Love, A Kelbert… - Space …, 2021 - Wiley Online Library
At present, the most reliable information for inferring storm‐time ground electric fields along
electrical transmission lines comes from coarsely sampled, national‐scale magnetotelluric …

Modified GIC estimation using 3‐D Earth conductivity

A Kelbert, GM Lucas - Space Weather, 2020 - Wiley Online Library
Geomagnetically induced currents (GICs) are quasi‐direct current (DC) electric currents that
flow in technological conductors during geomagnetic storms. Extreme GICs are hazardous …