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  2. Hjulström curve - Wikipedia

    en.wikipedia.org/wiki/Hjulström_curve

    The Hjulström curve, named after Filip Hjulström (1902–1982), is a graph used by hydrologists and geologists to determine whether a river will erode, transport, or deposit sediment. It was originally published in his doctoral thesis "Studies of the morphological activity of rivers as illustrated by the river Fyris. [1]" in 1935. The graph ...

  3. Sediment transport - Wikipedia

    en.wikipedia.org/wiki/Sediment_transport

    Coastal sediment transport takes place in near-shore environments due to the motions of waves and currents. At the mouths of rivers, coastal sediment and fluvial sediment transport processes mesh to create river deltas. Coastal sediment transport results in the formation of characteristic coastal landforms such as beaches, barrier islands, and ...

  4. Stream competency - Wikipedia

    en.wikipedia.org/wiki/Stream_competency

    Stream capacity, while linked to stream competency through velocity, is the total quantity of sediment a stream can carry. Total quantity includes dissolved, suspended, saltation and bed loads. [3] The movement of sediment is called sediment transport. Initiation of motion involves mass, force, friction and stress.

  5. File:Wentworth-Grain-Size-Chart.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Wentworth-Grain-Size...

    English: Wentworth grain size chart from United States Geological Survey Open-File Report 2006-1195, “Surficial sediment character of the Louisiana offshore continental shelf region: A GIS Compilation” by Jeffress Williams, Matthew A. Arsenault, Brian J. Buczkowski, Jane A. Reid, James G. Flocks, Mark A. Kulp, Shea Penland, and Chris J. Jenkins

  6. Suspended load - Wikipedia

    en.wikipedia.org/wiki/Suspended_load

    Sediment Transportation. The suspended load is one of the three layers of the fluvial sediment transportation system. The bed load consists of the larger sediment which is transported by saltation, rolling, and dragging on the riverbed. The suspended load is the middle layer that consists of the smaller sediment that's suspended.

  7. Bed material load - Wikipedia

    en.wikipedia.org/wiki/Bed_material_load

    Direct and indirect methods are two ways in which bed material can be measured. Direct measurement is done through the use of a physical trap, placing the device in contact with the bed, “allowing the sediment transported as bedload to accumulate (or be trapped) inside the sampler for a certain amount of time, after which the sampler is raised to the surface and the material is emptied and ...

  8. Shields parameter - Wikipedia

    en.wikipedia.org/wiki/Shields_parameter

    The Shields parameter, also called the Shields criterion or Shields number, is a nondimensional number used to calculate the initiation of motion of sediment in a fluid flow. It is a dimensionalization of a shear stress , and is typically denoted ψ {\displaystyle \psi } or θ {\displaystyle \theta } .

  9. Exner equation - Wikipedia

    en.wikipedia.org/wiki/Exner_equation

    The Exner equation describes conservation of mass between sediment in the bed of a channel and sediment that is being transported. [1] It states that bed elevation increases (the bed aggrades) proportionally to the amount of sediment that drops out of transport, and conversely decreases (the bed degrades) proportionally to the amount of sediment that becomes entrained by the flow.