7% 35% AP 9% 5% EAIS 6% 13% 8% WAIS 14% 14% 29% 29% 14% Glacial Microtopography Flora Fauna Atmosphere Sea Ice Magnetism Subglacial Environment UAV Design and Experiment MOA Coastline 2014 (a) MOA Grounding Line 2014 27% 31% 15% 44% Glacial Microtopography Flora Fauna Atmosphere Sea Ice Magnetism Subglacial Environment UAV Design and Experiment 08 16 Frequency (b) FIGURE 3. The (a) global distribution of the percentage of journal articles on applications of UAVs in glaciology and (b) distribution of the main topics of recently published UAV-based studies for Antarctic polar research. MOA: Mosaic of Antarctica. MARCH 2023 IEEE GEOSCIENCE AND REMOTE SENSING MAGAZINE 77 24 EAIS WAIS AP Weddell Sea Southern Ocean 32 Focus of Study