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The Long Profile

The long profile of a river shows changes in the height (altitude) of the course of a river from its source to its mouth. A long profile is usually concave and the slope becomes more gentle towards the mouth of the river. Long profiles usually have irregularities such as waterfalls or lakes. Rejuvenation also creates knick points (more on this later).

The video below provides a simple reminder of the changes that occur along the long profile of a river.

Erosion, transportation and deposition changes over the course of a river. The interactive diagram below summarises the changes in these processes, the landforms that are typically found and the valley cross profile characteristics.

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Anthony

Drainage basin hydrological cycle

Find out about the characteristics of the drainage basing hydrological cycle.

Storm Hydrograph

Hydrographs can be used to illustrate discharge. These can be used to show annual discharge patters of flow in relation to climate.

The long profile of a river

The long profile of a river shows changes in the height (altitude) of the course of a river from its source to its mouth.

Water Balance

The balance between inputs and outputs is known as the water balance or budget.  The water…

Erosion, transportation and deposition

There are three main types of processes that occur in a river. These are erosion, transportation and deposition.

Changing channel characteristics

The characteristics of a river channel change along its long profile. Changes occur in the cross profile, wetted…

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