Bedload transport in steep mountain stream : a consistent stochastic framework.
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We demonstrate in this poster the role played by stochasticity in bedload transport on steep slope. Multiscale and multifractal behavior is observed, while long range correlation takes place.
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The term bed load or bedload describes particles in a flowing fluid (usually water) that are transported along the stream bed. Bed load is complementary to suspended load and wash load. Bed load moves by rolling, sliding, and/or saltating (hopping). Generally, bed load downstream will be smaller and more rounded than bed load upstream (a process known as downstream fining). This is due in part to attrition and abrasion which results from the stones colliding with each other and against the river channel, thus removing the rough texture (rounding) and reducing the size of the particles.
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