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Channel patterns are found in rivers, streams, and other bodies of water that transport water from one place to another.Systems of branching river channels dissect most of the sub-aerial landscape, each in a valley proportioned to its size.
A wide variety of river and stream channel types exist in limnology, the study of inland waters.All these can be divided into two groups by using the water-flow gradient as either low gradient channels for streams or rivers with less than two percent (2%) flow gradient, or high gradient channels for those with greater than a 2% gradient.
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 ...
The result is a stream system in which streams consist mainly of straight line segments with right-angle bends and tributaries join larger streams at right angles. [2] This pattern can be found with the Arun River in Nepal.
A distributary, or a distributary channel, is a stream that branches off and flows away from a main stream channel, and the phenomenon is known as river bifurcation. Distributaries are common features of river deltas, and are often found where a valleyed stream enters wide flatlands or approaches the coastal plains around a lake or an ocean.
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.
The Rosgen Stream Classification is a system for natural rivers in which morphological arrangements of stream characteristics are organized into relatively homogeneous stream types. [1] This is a widely used method for classifying streams and rivers based on common patterns of channel morphology. [ 2 ]
The smaller strands of streams diverge around sediment bars and then converge in a braiding pattern. [3] Braided channels are dynamic, with strands moving within the channel. [3] Braided channels are caused by sediment loads that exceed the capacity of stream transport. [3]