Matthew Grawe, Jonathan Makela, Mark Butala, and Farzad Kamalabadi published an article in the October 2018 issue of Space Weather which explores the influence of magnetometer sampling rate on modeled peak electric fields. They discovered that a one-minute magnetometer data cadence can lead to a significant underestimation of the peak electric field, especially in certain regions of the US during strong geomagnetic storms.
Research
![a graph showing the distribution of impedance tensors across the contiguous United States](sites/default/files/styles/card_thumbnail/public/2018-11/swe20772-fig-0001-m0113.png?itok=KhDMNLAl)
The Impact of Magnetic Field Temporal Sampling on Modeled Surface Electric Fields
Posted 5 years ago
![electric field maps showing V/km with gradations of color](sites/default/files/styles/card_thumbnail/public/2017-12/A%20Comparison%20of%20Peak%20Electric%20Fields_140c5.png?itok=MpDzHlE4)
A Comparison of Peak Electric Fields and GICs in the Pacific Northwest Using 1-D and 3-D Conductivity Authors J. L. Gannon, A. B. Birc
Posted 6 years ago
![the geographic layout of a system graphed on X and Y axes](sites/default/files/styles/card_thumbnail/public/2017-12/Incorporating%20the%20geomagnetic%20disturbance%20modelse85c.png?itok=EAtQM6gr)
Incorporating the geomagnetic disturbance models into the existing power system test cases
Posted 6 years ago
![graph of reactive power loss vs number of opened lines using the proposed line switching algorithm](sites/default/files/styles/card_thumbnail/public/2017-12/Mitigation%20of%20Geomagnetically%20Induced%20Currents24b6.png?itok=ULM57TJA)
Mitigation of Geomagnetically Induced Currents Using Corrective Line Switching
Posted 6 years ago
![a map of current measurement and survey sites used in the study](sites/default/files/styles/card_thumbnail/public/2017-12/Modeling%20Geomagnetically%20Induced%20Currents4a22.png?itok=MQdyphjE)
Modeling Geomagnetically Induced Currents From Magnetometer Measurements: Spatial Scale Assessed With Reference Measurements
Posted 6 years ago
![GEM Summer Workshop 2017 Presentations](sites/default/files/styles/card_thumbnail/public/2017-07/mag26be7.gif?itok=t0Xtyn2F)
GEM Summer Workshop 2017 Presentations
Posted 6 years ago
![Wavelet-Based ULF Pulsation Index for Studying Conjugate ULF Pulsation at High Latitudes and Its Applications to Space Weather](sites/default/files/styles/card_thumbnail/public/2017-07/Screen%20Shot%202017-07-25%20at%208.48.53%20AM823e.png?itok=_H3pIWIE)
Wavelet-Based ULF Pulsation Index for Studying Conjugate ULF Pulsation at High Latitudes and Its Applications to Space Weather
Posted 6 years ago
![Power network topology control for mitigating the effects of geomagnetically induced currents](sites/default/files/styles/card_thumbnail/public/2017-07/powernetworkTopologyc971.gif?itok=xQyzBvNu)
Power Network Topology Control for Mitigating the Effects of Geomagnetically Induced Currents
Posted 6 years ago
![Transmission System Geomagnetically Induced Current Model Validation](sites/default/files/styles/card_thumbnail/public/2017-07/Webp.net-resizeimage4bd0.gif?itok=D1irpx3p)
Transmission System Geomagnetically Induced Current Model Validation
Posted 6 years ago
![Statistical Considerations in the Creation of Realistic Synthetic Power Grids for Geomagnetic Disturbance Studies](sites/default/files/styles/card_thumbnail/public/2017-07/research53822.png?itok=FihTzOG7)
Statistical Considerations in the Creation of Realistic Synthetic Power Grids for Geomagnetic Disturbance Studies
Posted 6 years ago