Drainage Patterns/Stream Types

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Last updated 6:55 PM on 5/19/26
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10 Terms

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Drainage Patterns

Area of land where surface water will converge to a single point

Topography is the most important constraint in drainage patterns

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Dendritic Pattern

A drainage pattern that may develop on homogeneous rock, which has a shape resembling the pattern made by the branches of a tree or the veins of a leaf

<p>A drainage pattern that may develop on homogeneous rock, which has a shape resembling the pattern made by the branches of a tree or the veins of a leaf</p>
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Parallel Drainage Pattern

Tributary streams tend to stretch out in a parallel-like fashion following the slope of the surface. A parallel pattern sometimes indicates the presence of a major fault that cuts across an area of steeply folded bedrock

Steeper basin

<p>Tributary streams tend to stretch out in a parallel-like fashion following the slope of the surface. A parallel pattern sometimes indicates the presence of a major fault that cuts across an area of steeply folded bedrock</p><p>Steeper basin</p>
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Rectangular Drainage Pattern

In places where there are a lot of faults

<p>In places where there are a lot of faults</p>
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Trellis Drainage Pattern

The geometry of a trellis drainage system is similar to that of a common garden trellis used to grow vines. As the river flows along a strike valley, smaller tributaries feed into it from the steep slopes on the sides of mountains

Trellis drainage is characteristic of folded mountains, such as the Appalachian Mountains in North America and in the north part of Trinidad

<p>The geometry of a trellis drainage system is similar to that of a common garden trellis used to grow vines. As the river flows along a strike valley, smaller tributaries feed into it from the steep slopes on the sides of mountains</p><p>Trellis drainage is characteristic of folded mountains, such as the Appalachian Mountains in North America and in the north part of Trinidad</p>
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Radial Drainage Pattern

Mountain in the middle

In a radial drainage system, the streams radiate outwards from a central high point. Volcanoes usually display excellent radial drainage. Other geological features on which radial drainage commonly develops are domes and laccoliths. On these features the drainage may exhibit a combination of radial patterns

<p>Mountain in the middle</p><p>In a radial drainage system, the streams radiate outwards from a central high point. Volcanoes usually display excellent radial drainage. Other geological features on which radial drainage commonly develops are domes and laccoliths. On these features the drainage may exhibit a combination of radial patterns</p>
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Centripetal Drainage Pattern

Depression in the center

The centripetal drainage pattern is just the opposite of the radial as streams flow toward a central depression

https://www.google.com/search?q=centripetal+drainage+pattern+definition&biw=1280&bih=611&source=lnms&tbm=isch&sa=X&sqi=2&ved=0CAYQ_AUoAWoVChMI1dyU59CTyQIVySomCh2b6AAH&dpr=1.5#imgrc=ObwqsqvQeCfB-M%3A

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Ephemeral Stream

A stream that flows only briefly during and following a period of rainfall in the immediate locality

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Intermittent Stream

There is a wet season so there's a stream. When we have a dry season, it will evaporate. Differs in location, its seasonal.

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Perennial Stream

A year round flow of water