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The stream thus keeps its dendritic pattern even though it flows over a landscape that will normally produce a trellis drainage pattern. [1] A superimposed stream is a stream that forms over horizontal beds that overlie folded and faulted rock with varying resistance. Having cut down through the horizontal beds, the stream retains its course ...
A discordant system or pattern does not correlate to the topography and geology of the area. Discordant drainage patterns are classified into two main types: antecedent and superimposed, [2] while ante position drainage patterns combine the two. In antecedent drainage, a river's vertical incision ability matches that of land uplift due to ...
Headward erosion creates three major kinds of drainage patterns: dendritic patterns, trellis patterns, and rectangular and angular patterns. Dendritic patterns form in homogenous landforms where the underlying bedrock has no structural control over where the water flows. They have a very characteristic pattern of branching at acute angles with ...
antecedent stream. Also antecedent river and antecedent drainage. A stream or other watercourse that existed before the present form of the surrounding land surface was established and which maintains its original course and pattern despite changes in the local geology or topography.
Drainage system (geomorphology) – Patterns formed by streams, rivers, and lakes in a drainage system Fluvial landforms Fluvial processes – Sediment processes associated with rivers and streams Pages displaying short descriptions of redirect targets
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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.
This followed a tragic incident on Tuesday when her family's SUV left the roadway, got caught in a drainage ditch near U.S. 75 and Taylor Street, and was carried away by strong currents.