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 …

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 …

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 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 …

Quantitative influence of coast effect on geomagnetically induced currents in power grids: A case study

C Liu, X Wang, H Wang, H Zhao - Journal of Space Weather and …, 2018 - swsc-journal.org
In recent years, several magnetic storms have disrupted the normal operation of power grids
in the mid-low latitudes. Data obtained from the monitoring of geomagnetically induced …

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 …

What drove the GICs> 10 A during the 17 March 2013 event at Mäntsälä? A novel framework for distinguishing the magnetospheric sources

B Waghule, DJ Knipp, JL Gannon, D Billet… - Space …, 2024 - Wiley Online Library
We combine wavelet analysis and data fusion to investigate geomagnetically induced
currents (GICs) on the Mäntsälä pipeline and the associated horizontal geomagnetic field …

The impact of magnetic field temporal sampling on modeled surface electric fields

MA Grawe, JJ Makela, MD Butala… - Space Weather, 2018 - Wiley Online Library
Descriptions of the surface magnetic‐to‐electric field relationship, using magnetotelluric
impedance tensors, have seen refinement in recent years. Correspondingly, models of …