Drone-mounted VLF-EM Survey Data and Inversion Results: 36,000 m² Polygonal Tundra Site, Utqiaġvik, Alaska (SitS Project, August 2024)

This dataset provides raw and inverted Very Low Frequency Electromagnetic (VLF-EM) data acquired via an drone-mounted GEM Systems GSM-90AVU UAV-VLF platform in Utqiaġvik, Alaska. The primary objective of the survey was to map subsurface conductive structures and characterize permafrost dynamics. The dataset includes raw electromagnetic field measurements along 7 survey line L0~L6 (In-phase and Quadrature): Stations used: NPM (21.4 kHz), NLK (24.8 kHz). Latitude (N/S): 71.3268°N to 71.3315°N Longitude (E/W): -156.6031° W to -156.5863° W Inversion results were generated using MARE2DEM. Each inversion file corresponds to a specific flight line (e.g., `F1_L0.xyz`). Related pulication: Wang, Xueyang and Xiao, Ming and Dogan, Mine and Park, Chanho and Hallissey, Matthew and Nicolsky, D. and Rybakov, Sergei. "Drone-mounted VLF-EM survey for electrical resistivity imaging and its application in complex coastal saline permafrost environments." Engineering Geology (2026): 108988. https://doi.org/10.1016/j.enggeo.2026.108988.