Controls on debris flow avulsions: White Mountains of California and Nevada
Debris flows are high-velocity landslides generated by intense precipitation events that saturate a mountain slope, leading to the rapid movement of rock and soil entrained in a water-rich fluid within channels downstream toward valleys. The process by which debris flows shift from an active channel and branch out into new channels or areas is termed avulsion. Debris flow avulsion poses serious risks for structures and populations residing on debris-flow fans, yet avulsion mechanisms are relatively unknown and unaccounted for in hazard assessments, as compared to avulsions of rivers and streams, ...
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