Fine-scale Antarctic grounded ice cliff 3D calving monitoring based on multi-temporal UAV photogrammetry without ground control. - Shuhang Zhang; Lei Zheng; Huizhou Zhou; Qiuyang Zhao; Jie Li; Yinyue Xia; Wuming Zhang; Xiao Cheng (Int. J. Appl. Earth Obs. Geoinformation, 2025)