6.5 Overview of Science Challenges Hindering Our Understanding of Extreme GICs

Wednesday, 10 January 2018: 9:30 AM
Salon J (Hilton) (Austin, Texas)
Chigomezyo M. Ngwira, Catholic Univ. of America, Greenbelt, MD; and A. Pulkkinen

Vulnerability of man-made infrastructure to Earth-directed space weather events is a serious concern for today's technology-dependent society. Space weather-driven geomagnetically induced currents (GICs) can disrupt operation of extended electrically conducting technological systems. The threat of adverse impacts on critical technological infrastructure, like power grids, oil and gas pipelines, and communication networks, has sparked renewed interest in extreme space weather. Because extreme space weather events have low occurrence rate but potentially high impact, this presents a major challenge for our understanding of extreme GIC activity. In the present study, we discuss some of the key science challenges pertaining to our understanding of extreme events.
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