Articles | Volume 38, issue 5
https://doi.org/10.5194/angeo-38-983-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-38-983-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Regular paper
| 
15 Sep 2020
Regular paper |
| 15 Sep 2020
| 15 Sep 2020
Induced currents due to 3D ground conductivity play a major role in the interpretation of geomagnetic variations
Finnish Meteorological Institute, Helsinki, Finland
Heikki Vanhamäki
Space Physics and Astronomy Research Unit, University of Oulu, Oulu, Finland
Ari Viljanen
Finnish Meteorological Institute, Helsinki, Finland
Maxim Smirnov
Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, Luleå, Sweden
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Cited
20 citations as recorded by crossref.
- Spatial Resolution in Inverse Problems: The EZIE Satellite Mission M. Madelaire et al. 10.1029/2023JA031394
- Spectral analysis of geomagnetically induced current and local magnetic field during the 17 March 2013 geomagnetic storm W. Xu et al. 10.1016/j.asr.2022.02.025
- Space Weather Disturbances in Non‐Stormy Times: Occurrence of dB/dt Spikes During Three Solar Cycles M. Hamrin et al. 10.1029/2023JA031804
- Comparing Three Approaches to the Inducing Source Setting for the Ground Electromagnetic Field Modeling due to Space Weather Events E. Marshalko et al. 10.1029/2020SW002657
- Statistical Temporal Variations in the Auroral Electrojet Estimated With Ground Magnetometers in Fennoscandia S. Walker et al. 10.1029/2022SW003305
- Geolectric field measurement, modelling and validation during geomagnetic storms in the UK C. Beggan et al. 10.1051/swsc/2021022
- Auroral alert version 1.0: two-step automatic detection of sudden aurora intensification from all-sky JPEG images M. Yamauchi & U. Brändström 10.5194/gi-12-71-2023
- Analysis of the Geoelectric Field in Sweden Over Solar Cycles 23 and 24: Spatial and Temporal Variability During Strong GIC Events V. Lanabere et al. 10.1029/2023SW003588
- Deep Anomaly Detection of Voltage Waveform Distortion in the Transmission Grid Due to Geomagnetically Induced Currents R. de Oliveira et al. 10.1109/TIM.2024.3366271
- Spatio-temporal development of large-scale auroral electrojet currents relative to substorm onsets S. Käki et al. 10.5194/angeo-40-107-2022
- Three principal components describe the spatiotemporal development of mesoscale ionospheric equivalent currents around substorm onsets L. Juusola et al. 10.5194/angeo-41-483-2023
- Simultaneous inversion for source field and mantle electrical conductivity using the variable projection approach J. Min & A. Grayver 10.1186/s40623-023-01816-5
- Auroral Oval Morphology: Dawn‐Dusk Asymmetry Partially Induced by Earth's Rotation M. Decotte et al. 10.1029/2023JA031345
- Drivers of rapid geomagnetic variations at high latitudes L. Juusola et al. 10.5194/angeo-41-13-2023
- Modeling the Geomagnetic Response to the September 2017 Space Weather Event Over Fennoscandia Using the Space Weather Modeling Framework: Studying the Impacts of Spatial Resolution A. Dimmock et al. 10.1029/2020SW002683
- 3D Modeling of Geomagnetically Induced Currents in Sweden—Validation and Extreme Event Analysis L. Rosenqvist et al. 10.1029/2021SW002988
- The Estimation of the Geomagnetically Induced Current Based on Simulation and Measurement at the Power Network: A Bibliometric Analysis of 42 Years (1979–2021) K. Burhanudin et al. 10.1109/ACCESS.2022.3175882
- Over 20‐Year Global Magnetohydrodynamic Simulation of Earth's Magnetosphere I. Honkonen et al. 10.1029/2022SW003196
- Three‐Dimensional Modeling of the Ground Electric Field in Fennoscandia During the Halloween Geomagnetic Storm E. Marshalko et al. 10.1029/2022SW003370
- The time derivative of the geomagnetic field has a short memory M. Kellinsalmi et al. 10.5194/angeo-40-545-2022
20 citations as recorded by crossref.
- Spatial Resolution in Inverse Problems: The EZIE Satellite Mission M. Madelaire et al. 10.1029/2023JA031394
- Spectral analysis of geomagnetically induced current and local magnetic field during the 17 March 2013 geomagnetic storm W. Xu et al. 10.1016/j.asr.2022.02.025
- Space Weather Disturbances in Non‐Stormy Times: Occurrence of dB/dt Spikes During Three Solar Cycles M. Hamrin et al. 10.1029/2023JA031804
- Comparing Three Approaches to the Inducing Source Setting for the Ground Electromagnetic Field Modeling due to Space Weather Events E. Marshalko et al. 10.1029/2020SW002657
- Statistical Temporal Variations in the Auroral Electrojet Estimated With Ground Magnetometers in Fennoscandia S. Walker et al. 10.1029/2022SW003305
- Geolectric field measurement, modelling and validation during geomagnetic storms in the UK C. Beggan et al. 10.1051/swsc/2021022
- Auroral alert version 1.0: two-step automatic detection of sudden aurora intensification from all-sky JPEG images M. Yamauchi & U. Brändström 10.5194/gi-12-71-2023
- Analysis of the Geoelectric Field in Sweden Over Solar Cycles 23 and 24: Spatial and Temporal Variability During Strong GIC Events V. Lanabere et al. 10.1029/2023SW003588
- Deep Anomaly Detection of Voltage Waveform Distortion in the Transmission Grid Due to Geomagnetically Induced Currents R. de Oliveira et al. 10.1109/TIM.2024.3366271
- Spatio-temporal development of large-scale auroral electrojet currents relative to substorm onsets S. Käki et al. 10.5194/angeo-40-107-2022
- Three principal components describe the spatiotemporal development of mesoscale ionospheric equivalent currents around substorm onsets L. Juusola et al. 10.5194/angeo-41-483-2023
- Simultaneous inversion for source field and mantle electrical conductivity using the variable projection approach J. Min & A. Grayver 10.1186/s40623-023-01816-5
- Auroral Oval Morphology: Dawn‐Dusk Asymmetry Partially Induced by Earth's Rotation M. Decotte et al. 10.1029/2023JA031345
- Drivers of rapid geomagnetic variations at high latitudes L. Juusola et al. 10.5194/angeo-41-13-2023
- Modeling the Geomagnetic Response to the September 2017 Space Weather Event Over Fennoscandia Using the Space Weather Modeling Framework: Studying the Impacts of Spatial Resolution A. Dimmock et al. 10.1029/2020SW002683
- 3D Modeling of Geomagnetically Induced Currents in Sweden—Validation and Extreme Event Analysis L. Rosenqvist et al. 10.1029/2021SW002988
- The Estimation of the Geomagnetically Induced Current Based on Simulation and Measurement at the Power Network: A Bibliometric Analysis of 42 Years (1979–2021) K. Burhanudin et al. 10.1109/ACCESS.2022.3175882
- Over 20‐Year Global Magnetohydrodynamic Simulation of Earth's Magnetosphere I. Honkonen et al. 10.1029/2022SW003196
- Three‐Dimensional Modeling of the Ground Electric Field in Fennoscandia During the Halloween Geomagnetic Storm E. Marshalko et al. 10.1029/2022SW003370
- The time derivative of the geomagnetic field has a short memory M. Kellinsalmi et al. 10.5194/angeo-40-545-2022
Latest update: 25 Apr 2024
Short summary
Rapid variations of the magnetic field measured on the ground can be used to estimate space weather risks to power grids, but forecasting the variations remains a challenge. We show that part of this problem stems from the fact that, in addition to electric currents in space, the magnetic field variations are strongly affected by underground electric currents. We suggest that separating the measured field into its space and underground parts could improve our understanding of space weather.
Rapid variations of the magnetic field measured on the ground can be used to estimate space...
