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 …

First direct observations of interplanetary shock impact angle effects on actual geomagnetically induced currents: The case of the Finnish natural gas pipeline system

DM Oliveira, E Zesta, S Vidal-Luengo - Frontiers in Astronomy and …, 2024 - frontiersin.org
The impact of interplanetary (IP) shocks on the Earth's magnetosphere can greatly disturb
the geomagnetic field and electric currents in the magnetosphere-ionosphere system. At …

Revisiting the ground magnetic field perturbations challenge: A machine learning perspective

VA Pinto, AM Keesee, M Coughlan… - Frontiers in Astronomy …, 2022 - frontiersin.org
Forecasting ground magnetic field perturbations has been a long-standing goal of the space
weather community. The availability of ground magnetic field data and its potential to be …

A 100‐year geoelectric hazard analysis for the US high‐voltage power grid

GM Lucas, JJ Love, A Kelbert, PA Bedrosian… - Space …, 2020 - Wiley Online Library
A once‐per‐century geoelectric hazard map is created for the US high‐voltage power grid. A
statistical extrapolation from 31 years of magnetic field measurements is made by identifying …

Estimating geomagnetically induced currents in southern Brazil using 3‐D Earth resistivity model

KV Espinosa, AL Padilha, LR Alves, A Schultz… - Space …, 2023 - Wiley Online Library
Geomagnetically induced currents (GICs) result from the interaction of the time variation of
ground magnetic field during a geomagnetic disturbance with the Earth's deep electrical …

Analysis of large geomagnetically induced currents during the 7–8 September 2017 storm: Geoelectric field map**

A Wawrzaszek, A Gil, R Modzelewska… - Space …, 2023 - Wiley Online Library
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 …

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 …

Regional 3‐D modeling of ground electromagnetic field due to realistic geomagnetic disturbances

E Ivannikova, M Kruglyakov, A Kuvshinov… - Space …, 2018 - Wiley Online Library
During extreme space weather events the fluctuating geomagnetic field induces an electric
field in the conducting Earth. This geoelectric field in turn generates currents in ground …

Analysis of the geoelectric field in Sweden over solar cycles 23 and 24: Spatial and temporal variability during strong GIC events

V Lanabere, AP Dimmock, L Rosenqvist… - Space …, 2023 - Wiley Online Library
Geomagnetic storms can produce large perturbations on the Earth magnetic field. Through
complex magnetosphere‐ionosphere coupling, the geoelectric field (E) and geomagnetic …

Frequency considerations in GIC applications

L Trichtchenko - Space Weather, 2021 - Wiley Online Library
Geomagnetically induced currents (GIC) are a phenomenon well known for its negative
effects on the operations of power systems. To efficiently mitigate them requires different …