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Debris flows are fast-moving landslides that can cause severe damage and loss of life. Learn about the factors that trigger debris flows, how to recognize them, and how to prepare for them from the U.S. Geological Survey.
Debris flows are geological phenomena in which water-laden masses of soil and fragmented rock rush down mountainsides, funnel into stream channels, entrain objects in their paths, and form thick, muddy deposits on valley floors.
A debris flow is a moving mass of loose material that travels down a steep slope under gravity. It can be very fast, long, and dangerous. Learn how to identify, trigger, and prevent debris flows from various sources, such as rainfall, eruptions, or logging. See videos, maps, and photos of actual events and examples.
A debris flow is a mixture of water and particles driven down a slope by gravity. It can consist of unsteady, non-uniform surges of muddy water and rock fragments of different shapes and sizes. The web page explains the physics of debris flows, their formation, and their hazards, using experiments, models, and examples.
A debris flow is a rapid mass movement of a concentrated mixture of sediment, organic matter, and water that can flow like a liquid yet can stop on sloping surfaces and form a nearly rigid deposit. Learn about the origins, behavior, and modeling of debris flows in subaerial and subaqueous environments from this reference work entry by Jon J. Major.
1 de dic. de 2019 · Debris flows represent one of the most dangerous types of mass movements, because of their high velocities, large impact forces and long runout distances. This review describes the available debris-flow monitoring techniques and proposes recommendations to inform the design of future monitoring and warning/alarm systems.
Landslides are the downslope movement of earth materials (rock, debris, and soil) at rates that range from inches per year to tens of miles per hour. Some landslides can move faster than a person can run. Landslides can happen with no notice or can take place over a period of days, weeks, or longer. Sources/Usage: Public Domain. View Media Details.
