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Bar Initiation: The braid bar will form following a series of dune amalgamations. As sediments are deposited to form the braid bar, flow in the channel begins to diverge, with the braid bar acting as a wedge. This stage is associated with high flow in the braided river. Bar Growth: Dune amalgamation continues as an accretionary dune front is ...
Gravel bar in the American River, Washington, United States. A bar in a river is an elevated region of sediment (such as sand or gravel) that has been deposited by the flow. Types of bars include mid-channel bars (also called braid bars and common in braided rivers), point bars (common in meandering rivers), and mouth bars (common in river ...
The Rakaia River in the South Island of New Zealand is braided over most of its course. A braided river (also called braided channel or braided stream) consists of a network of river channels separated by small, often temporary, islands called braid bars or, in British English usage, aits or eyots.
Braided rivers tend to occur on steeper gradients where there is a large supply of sediment for braid bars, while single thread sinuous channels occur where there is a lower sediment supply for point bars.
The terms river morphology and its synonym stream morphology are used to describe the shapes of river channels and how they change in shape and direction over time. The morphology of a river channel is a function of a number of processes and environmental conditions, including the composition and erodibility of the bed and banks (e.g., sand, clay, bedrock); erosion comes from the power and ...
Marathon Bar. This 1970s treat was a long braid of caramel covered in chocolate, thin and very long — proven by the ruler graphic printed on the back of the wrapper. With a name suggested by the ...
These channels are classified as a composite form of which the individual channel belts may have braided, meandering or straight channels. Although similar to, and even encompass other channel types, anastomosed rivers are their own entity and have just begun to be studied by geologists , revealing that much is still unknown.
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