Fig. 5

Geomorphological mapping of the valley below Fox Glacier. a Shaded relief map generated from the UAV and helicopter-based photogrammetry. b Geomorphological map with the principal landforms and their break locations. c The principal landform units in the valley. Unit (1) unvegetated material plastered by the glacier, unit (2) rockfall and debris cone, units (3–5) the main fans of the valley, unit (6) a mix of debris flow fan and apron material, unit (7) undertermined wavy feature being recovered by the recent fan extension, and unit (8) braided-river fluviatile features