Results 61 to 70 of about 2,928 (232)

Quantifying the daily economic impact of extreme space weather due to failure in electricity transmission infrastructure [PDF]

, 2017
Extreme space weather due to coronal mass ejections has the potential to cause considerable disruption to the global economy by damaging the transformers required to operate electricity transmission infrastructure.
Alan W. P. Thomson, Anderson, Andrew Skelton, Baker, Balan, Baldwin, Banerjee, Barbosa, Barnes, Bolduc, Boteler, Charles T. Gaunt, Czech, Department of Energy, Dietzenbacher, Edward J. Oughton, Feldstein, Fujii, Fujii, Haimes, Inomata, Intriligator, Johnson, Kucukvar, Liou, Liu, Liu, Marshall, Marshall, Moodley, Moran, Möstl, Nakamura, Ngwira, Ngwira, Ngwira, OECD, Oughton, Ouyang, Pulkkinen, Pulkkinen, Pulkkinen, Richard B. Horne, Rinaldi, Rostoker, Samuelsson, Schrijver, Schulte in den Bäumen, Shiokawa, Silverman, Siscoe, Sonis, Temmer, Thomson, Thébault, Timmer, Torta, Trivedi, Tsurutani, Tsurutani, Tsurutani, Tukker, Watari, Watari, Wintoft, Zhang   +65 more
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ANALYSIS OF GEOMAGNETICALLY INDUCED CURRENT IN POWER GRID DURING GEOMAGNETIC STORM

International Journal of Engineering Applied Sciences and Technology, 2020
Solar storms are event that has a big range of averse outcome on technological system, power grid specifically. During extreme geomagnetic storms a GIC begin to travel between long transmission lines or conducting constructions. The possibility of solar storms features an approximately linear relation with the sun spot activity level that fluctuates in
Smit Anjana, Mihir Patel
openaire   +1 more source

Daytime Ionospheric Density Enhancement Driven by Poleward Neutral Wind Shear Associated With Gravity Waves During the November 2025 Geomagnetic Storm

Geophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract The threefold daytime electron density increases, along with strong poleward meridional winds exceeding 200 m/s were captured by Sanya Incoherent Scatter Radar (SYISR) during the geomagnetic storm of 12 November 2025. The great ionospheric enhancements were extending to mid‐latitudes over 40° observed by total electron content (TEC) from ...
Qi Jiang, Jiuhou Lei, Zhongli Li, Fuqing Huang, Rong Xia, Tong Dang, Xinan Yue, Xiaoli Luan   +7 more
wiley   +1 more source

Extended study of extreme geoelectric field event scenarios for geomagnetically induced current applications

Space Weather, 2013
Geomagnetically induced currents (GIC) flowing in man‐made ground technological systems are a direct manifestation of adverse space weather. Today, there is great concern over possible geomagnetically induced current effects on power transmission ...
Chigomezyo M. Ngwira, Antti Pulkkinen, Victoria Wilder, Geoffrey Crowley   +3 more
doaj   +1 more source

Relationship between Interplanetary Conditions and Changes in the Geomagnetic Field to Understand the Causes of Geomagnetically Induced Currents [PDF]

, 2018
Geomagnetically Induced Currents (GICs) are electrical currents induced in ground-level conductive networks, like power lines and pipelines, which can cause costly damage to infrastructure.
Maillet, Cameron P
core   +1 more source

Natural Convective Heat and Mass Transfer Flow in a Doubly Stratified High Porosity Medium

Engineering Reports, Volume 8, Issue 4, April 2026.
•$$ \bullet $$ Investigates natural convection of mass and heat in a high‐porosity doubly stratified medium. •$$ \bullet $$ Transforms non‐linear coupled partial differential equations into a non‐dimensional system for analysis. •$$ \bullet $$ Comprehensive analysis of stability and convergence criteria ensures solution accuracy. •$$ \bullet $$ Visuals
Abdullah Ahmed Foisal, Md. Mainul Islam, Muhammad Shakhawat Hossain, Silvia Sifath, Md. Azam Khan Muzahid, Md Akimul Islam Saikat   +5 more
wiley   +1 more source

What happens when the geomagnetic field reverses?

, 2012
During geomagnetic field reversals the radiation belt high-energy proton populations become depleted. Their energy spectra become softer, with the trapped particles of highest energies being lost first, and eventually recovering after a field reversal ...
Akasofu, Alfvén, Alfvén, Dragt, Dragt, Dungey, Glassmeier, Griem, Horne, Jackman, Kirkby, Lemaire, Lemaire, McIlwain, McIlwain, McIlwain, McIlwain, McIlwain, Northrop, Singer, Singer, Singer, Singer, Singer, Singer, Smart, Smart, Stadelmann, Störmer, Störmer, Störmer, Svensmark, Uffen, Van Allen, Van Allen, Van Allen, Vernov, Vogt, Vogt, Vogt, Walt, Zieger, Zieger   +42 more
core   +1 more source

Universal Time Influence on Stormtime Magnetosphere Ionosphere Coupling

AGU Advances, Volume 7, Issue 2, April 2026.
Abstract The offset between Earth's magnetic and rotational axes introduces a diurnal dependence in the high‐latitude EUV exposure of the northern hemisphere (NH) and southern hemisphere (SH). This variation raises the question: Does the Universal Time (UT) of geomagnetic storm onset impact its geospace consequences?
Kalpesh Ghag, William Lotko, Kevin Pham, Dong Lin, Viacheslav Merkin, Anil Raghav, Michael Wiltberger   +6 more
wiley   +1 more source

The Development of Models for Assessment of the Geomagnetically Induced Currents Impact on Electric Power Grids during Geomagnetic Storms

Advances in Electrical and Computer Engineering, 2015
A model and an algorithm for the calculation of the functioning of an electric power grid of arbitrary configuration and complexity during geomagnetic storms were developed.
VAKHNINA, V. V., KUVSHINOV, A. A., SHAPOVALOV, V. A., CHERNENKO, A. N., KRETOV, D. A.   +4 more
doaj   +1 more source

Geomagnetism : review 2010 [PDF]

, 2011
The Geomagnetism team measures, records, models and interprets variations in the Earth’s natural magnetic fields, across the world and over time. Our data and expertise help to develop scientific understanding of the evolution of the solid Earth and ...

core