A new simulation of space-weather driven geoelectric fields at the land/sea conductivity boundary shows how these fields are magnified by both coastal effects and inhomogeneous land conductivity.
Magnetic storms
Posted inEditors' Highlights
Mapping Extreme-Value Geoelectric Fields
To help mitigate magnetic storm interference on electric power grid operations, extreme-value geoelectric fields have been mapped across the mid-Atlantic United States.
Posted inResearch Spotlights
A Better Way to Predict Space Storms
A new model of solar winds could reduce false alarms.
Posted inResearch Spotlights
How Geomagnetic Storms Light Up the Geocorona
After geomagnetic storms, Earth’s corona abruptly increases in hydrogen density. For the first time, serendipitous observations have allowed researchers to investigate why.
Posted inScience Updates
Radiation Belt Processes in a Declining Solar Cycle
The Van Allen Probes began an extended mission in November to advance understanding of Earth's radiation belts.
Posted inResearch Spotlights
Satellite Shows Earth's Magnetic Field Bent During a Solar Storm
When solar storms strike, they weaken Earth's defenses against harmful radiation. New satellite measurements reveal just how much.