Geomagnetically induced currents (GIC) driven by geoelectric fields pose a hazard to ground-based infrastructure, such as power grids and pipelines. Here, new method is presented for modelling in near real time, provide valuable information help mitigate the impact of GIC. The uses magnetic field measurements from Magnetometer Network Ireland (MagIE; https://www.magie.ie ), interpolates geomagn...

One objective of a lander mission to Jupiter's icy moon Europa is detect liquid water within 30 km as well characterizing the subsurface ocean. In order satisfy this objective, ice shell must also be identified. Inductive electromagnetic (EM) methods are optimal for detection on because even small fraction dissolved salts will make orders magnitude more electrically conductive than shell. Compa...

Ž . We present a new finite element FE method for magnetotelluric modelling of three-dimensional conductivity structures. Maxwell’s equations are treated as a system of first-order partial differential equations for the secondary fields. Absorbing boundary conditions are introduced, minimizing undesired boundary effects and allowing the use of small computational domains. The numerical algorith...