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Geography Buckden Beck investigation of buckden beck.

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From my investigation i have found out about features of river valleys. A river's drainage pattern and channel shape both change gradually over time, as does the landscape through which the river flows. As constant as this change is, it is possible to link certain features of a river to a particular stage in its life cycle. As you read the following descriptions of youghful, mature, and old rivers, sketch aerial views of the three river stages. What visual clues would help you determine the life-cycle of any river you might encounter? ...read more.


Because their rapid flow laeds to rapid erosion, youthful rivers tend to have narrow V-shaped valleys that are relatively straight. Rapids and waterfalls are also commonly associated with youthful rivers. Later in the river cycle, most of the high relief around the river will have been eroded away, resulting in a gentler slope and a flatter land surface. At this point, the river system will have reached the mature stage. Mature rivers tend to have many well-developed branches or tributaries because the drainage pattern has had ample time to develop. ...read more.


When the relief around the river becomes extremely flat, the river will have almost no slope and consequently very little momentum or speed. Such old rivers will be characterized by very elaborate and intricately meandering courses. Often swampy areas appear around old rivers because the lack of slope leads to very poor drainage. Old rivers are very muddy, a consequence of large amounts of suspended material being carried by a river with low velocity. Through my investigation ?? ?? ?? ?? Roberta Wilson ...read more.

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