Retreat of an Ice Wall in Dobšiná Ice Cave (2018–2025): A Comparison of Three Change-Detection Methods Based on SfM Photogrammetry
Perennial cave ice in the temperate zone is declining, and its monitoring requires suitable change-evaluation methods. This study compares three approaches to assessing the changes of a vertical ice wall in the Ruffínyi Corridor of Dobšiná Ice Cave (Slovakia), a…