Geolectric field measurement, modelling and validation during geomagnetic storms in the UKCiarán D. Beggan, Gemma S. Richardson, Orsi Baillie, Juliane Hübert and Alan W. P. ThomsonJ. Space Weather Space Clim., 11 (2021) 37DOI: https://doi.org/10.1051/swsc/2021022