Results 111 to 120 of about 2,957 (186)

Why Do Sudden Commencements Sometimes Generate Disproportionate Geomagnetically Induced Currents?

Space Weather
Geomagnetically Induced Currents (GICs) in grounded, conducting infrastructure (e.g., power networks) represent an important space weather hazard. GICs are driven by the changing magnetic field at the Earth's surface.
A. W. Smith, C. J. Rodger, K. M. Pratscher, D. H. Mac Manus, I. J. Rae, D. Ratliff, M. A. Clilverd, E. Lawrence, C. D. Beggan, G. S. Richardson, A. R. Fogg, D. M. Oliveira, J. Hübert, T. Petersen, M. Dalzell   +14 more
doaj   +1 more source

Large-Scale Traveling Atmospheric and Ionospheric Disturbances Observed in GUVI With Multi-Instrument Validations. [PDF]

Geophys Res Lett, 2022
Bossert K, Paxton LJ, Matsuo T, Goncharenko L, Kumari K, Conde M.   +5 more
europepmc   +1 more source

Geospace Concussion: Global Reversal of Ionospheric Vertical Plasma Drift in Response to a Sudden Commencement. [PDF]

Geophys Res Lett, 2022
Shi X, Lin D, Wang W, Baker JBH, Weygand JM, Hartinger MD, Merkin VG, Ruohoniemi JM, Pham K, Wu H, Angelopoulos V, McWilliams KA, Nishitani N, Shepherd SG.   +13 more
europepmc   +1 more source

Automated real time detection of solar wind shocks and consequences for the identification of SSC and SI events [PDF]

, 2005
Algorithms have been developed to automatically detect Earth bound shocks in the solar wind as measured by the ACE satellite. These involve simple threshold techniques and wavelet analysis.
Baillie, O., Clarke, E., McKay, A.J., Reay, S.J., Thomson, A.W.P.   +4 more
core  

Simulation of the 23 July 2012 Extreme Space Weather Event: What if This Extremely Rare CME Was Earth Directed? [PDF]

Extreme space weather events are known to cause adverse impacts on critical modern day technological infrastructure such as high-voltage electric power transmission grids.
Baker, Daniel N., Galvin, A. B., Glocer, Alex, Kuznetsova, Maria M., Li, Xinlin, Mays, M. Leila, Ngwira, Chigomezyo M., Pulkkinen, Antti, Simunac, Kristin, Zheng, Yihua   +9 more
core   +1 more source

Project EURISGIC : worst case scenarios (technical note D5.1) [PDF]

, 2014
The overall objective of Work Package 5 of the EURISGIC project (see website eurisgic.eu) is defined as being: “Estimate the largest possible GIC flowing anywhere in the European high-voltage power grid, based on archive data.” This document is a ...
Baillie, O., Beggan, C., Kelly, G., Ngwira, C., Viljanen, A.   +4 more
core  

Critical Risk Indicators (CRIs) for the electric power grid: a survey and discussion of interconnected effects. [PDF]

Environ Syst Decis, 2021
Che-Castaldo JP, Cousin R, Daryanto S, Deng G, Feng ME, Gupta RK, Hong D, McGranaghan RM, Owolabi OO, Qu T, Ren W, Schafer TLJ, Sharma A, Shen C, Sherman MG, Sunter DA, Tao B, Wang L, Matteson DS.   +18 more
europepmc   +1 more source

Strong geomagnetic disturbances and induced currents on Earth surface [PDF]

, 2008
Long-term variations in strong geomagnetic storms are analyzed and linked to electric fields induced on Earth. In fact, geomagnetic disturbances generate electric fields that drive currents in the Earth which may have significant effects on electrical ...
Elias, Ana Georgina, Silbergleit, Virginia Mabel   +1 more
core  

Developing a New Ground Electric Field Model for Geomagnetically Induced Currents in Britain Based on Long‐Period Magnetotelluric Data

Space Weather
Large variations in ground electric field in mid‐latitude countries like the UK during a geomagnetic storm drive so‐called geomagnetically induced current, a major geohazard to ground‐based technological infrastructure like electrical transformers at ...
J. Hübert, E. Eaton, C. D. Beggan, A. M. Montiel‐Álvarez, D. Kiyan, C. Hogg   +5 more
doaj   +1 more source

Towards evaluation and simulation of geomagnetically induced currents (GICs) in high-latitude regions [PDF]

, 2019
The Tenth Symposium on Polar Science/Ordinary sessions: [OG] Polar Geosciences, Wed. 4 Dec.
Aleksey Kuvshinov, Dmitry Alekseev, Ksenia Muravieva, Tatiana Kalinina   +3 more
core   +1 more source