Nowcasting and Validating Earth's Electric Field Response to Extreme Space Weather Events Using Magnetotelluric Data: Application to the September 2017 Geomagnetic Storm and Comparison to Observed and Modeled Fields in Scotland
Abstract In the United Kingdom, geomagnetically induced currents (GICs) are calculated from thin‐sheet electrical conductivity models. In the absence of conductivity models, time derivatives of magnetic fields are sometimes used as proxies for GIC‐related electric fields. An alternative approach, fa...
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Main Authors: | Fiona Simpson, Karsten Bahr |
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Format: | Article |
Language: | English |
Published: |
Wiley
2021-01-01
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Series: | Space Weather |
Subjects: | |
Online Access: | https://doi.org/10.1029/2019SW002432 |
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