High-resolution 4D electrical resistivity tomography and below-ground point sensor monitoring of High Arctic deglaciated sediments capture zero-curtain effects, freeze–thaw transitions, and mid-winter thawing. - Cimpoiasu, Mihai O.; Kuras, Oliver; Harrison, Harry; Wilkinson, Paul B.; Meldrum, Philip; Chambers, Jonathan E.; Liljestrand, Dane; Oroza, Carlos; Schmidt, Steven K.; Sommers, Pacifica; Vimercati, Lara; Irons, Trevor P.; et al. (Cryosphere, 2025)