Results 81 to 90 of about 5,330 (213)
Evaluating the impact of geomagnetic disturbances on power grid infrastructure is critical to mitigate the risk posed by geomagnetically induced currents (GICs).
Qihe Shao +6 more
doaj +1 more source
Low‐Frequency Polarization of Blank Ice Features in Solid Rocks
Abstract For hydrogeological management of seasonally frozen soils, or permafrost, the quantification of ice and water content is key. Changes in electrical conductivity are commonly used to monitor ice‐to‐water ratios but hard rocks, ice and air are all highly resistive materials.
Clemens Moser, Adrián Flores Orozco
wiley +1 more source
The Effect of Tidal Geoelectric Fields on GIC and PSP in Buried Pipelines
Compared with the investigation of geomagnetically induced currents (GIC) in power grids, there is less study about the effect of geomagnetic disturbance (GMD) on buried oil and gas pipelines in mid-low latitude areas, which includes GIC and pipe-to-soil
Lianguang Liu +3 more
doaj +1 more source
Abstract Geophysical methods provide high‐resolution spatial measurements of physical quantities sensitive to changes in soil moisture and salinity and can be used to monitor soil hydrological responses to flooding. However, extracting quantitative hydrological information from geophysical data remains challenging.
Moses B. Adebayo +10 more
wiley +1 more source
The sea-land telluric current vector and its continuity during two geomagnetic storms are discussed using observation data of 13 geoelectric field stations within 100 km of the coastline in China and 5 similar stations in Canada.
Xin Zhang, Qing Ye, Gaochuan Liu
doaj +1 more source
Nem-konvencionális geoelektromos elrendezések = Non-conventional geoelectrical arrays [PDF]
Négy új módszert fejlesztettünk ki, vizsgáltuk azok elméleti alapjait, megteremtettük a működtetésükhöz szükséges hardveres és szoftveres hátteret és tanulmányoztuk azok terepi használhatóságát.
Novák, Attila +3 more
core
Abstract Magnetotelluric (MT) survey results from the Late Archean Manica greenstone belt, an extension of the Odzi‐Mutare greenstone belt of the Zimbabwe Craton, are presented. A total of 33 MT stations were acquired on an irregular grid with an average station spacing of approximately 5 km.
Joao Jr. J. Castelo +4 more
wiley +1 more source
Intense geoelectric fields during geomagnetic storms generate geomagnetically induced currents in power grids and other infrastructure, necessitating an understanding of their causes, for example, through coordinated space and ground observations.
Xueling Shi +8 more
doaj +1 more source
Numerical Calculation of Geoelectric Fields That Affect Critical Infrastructure
One of the modern applications of geomagnetism is determining the effect of geomagnetic disturbances on critical infrastructure such as power systems and pipelines. Assessing the geomagnetic hazard to such systems requires calculation of the geoelectric fields produced during geomagnetic disturbances.
David H. Boteler, Risto J. Pirjola
openaire +2 more sources
Study on the background characteristics of electric fields constrained by cross-sphere observations
The interactions among Earth’s spheres constitute both the starting point and ultimate goal of Earth system science research. An in-depth investigation into these interactions is essential for advancing the interdisciplinary integration and collaborative
MuPing Yang +7 more
doaj +1 more source

