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Lidar imagery reveals details of debris flow movement in the eastern Blue Ridge Mountains of North Carolina
['Philip Prince']
Philip S Prince, Geologist
The flow had sufficient momentum to superelevate (move at an angle to the slope instead of straight down the slope) and bend away from the faint upper channel before the material turned back towards the channel. These debris flows are particularly interesting to study because they are distinct from many other debris flows in the region, whose downslope travel is strongly controlled by topographic channels along much of their length. Despite their lack of extended channelize flow paths, the spread of these flows, along with their mobility in close proximity to their initiation zones, provides an interesting glimpse into the physical dimensions of possible impact zones related to this type of slope failure.